CVE-2020-0920
published 2020-04-15CVE-2020-0920: A remote code execution vulnerability exists in Microsoft SharePoint when the software fails to check the source markup of an application package, aka…
PriorityP258high8.8CVSS 3.1
AVNACLPRLUINSUCHIHAH
EPSS
10.41%
95.2th percentile
A remote code execution vulnerability exists in Microsoft SharePoint when the software fails to check the source markup of an application package, aka 'Microsoft SharePoint Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-0929, CVE-2020-0931, CVE-2020-0932, CVE-2020-0971, CVE-2020-0974.
Affected
12 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | business_productivity_servers | — | — |
| microsoft | microsoft_sharepoint_enterprise_server | — | — |
| microsoft | microsoft_sharepoint_server | — | — |
| microsoft | sharepoint_enterprise_server | — | — |
| microsoft | sharepoint_enterprise_server | — | — |
| microsoft | sharepoint_foundation | — | — |
| microsoft | sharepoint_foundation | — | — |
| microsoft | sharepoint_server | — | — |
| msrc | microsoft_sharepoint_enterprise_server_2016 | — | — |
| msrc | microsoft_sharepoint_foundation_2010_service_pack_2 | — | — |
| msrc | microsoft_sharepoint_foundation_2013_service_pack_1 | — | — |
| msrc | microsoft_sharepoint_server_2019 | — | — |
Detection & IOCsextracted from sources · hover to see the quote
- →Attack vector requires a user to upload a specially crafted SharePoint application package to an affected SharePoint instance; monitor for unusual or unauthorized application package uploads. ↗
- →Successful exploitation results in code execution under the SharePoint application pool identity and the SharePoint server farm account; monitor these process/account contexts for anomalous activity. ↗
- →The Preview Pane is NOT an attack vector; focus detection on the upload/import pipeline for SharePoint application packages rather than document preview activity. ↗
- ·The vulnerability stems from insufficient source-markup validation of SharePoint application packages; detection should focus on the package ingestion/check logic rather than network-layer indicators. ↗
- ·As of the advisory, this CVE had not been publicly disclosed or exploited in the wild, reducing immediate urgency but not eliminating risk. ↗
CVSS provenance
nvdv3.18.8HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
nvdv2.06.5MEDIUMAV:N/AC:L/Au:S/C:P/I:P/A:P
vendor_msrc8.8HIGH
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Microsoft
Microsoft SharePoint Remote Code Execution Vulnerability
vendor_msrc·2020-04-14·CVSS 8.8
CVE-2020-0920 [HIGH] Microsoft SharePoint Remote Code Execution Vulnerability
Microsoft SharePoint Remote Code Execution Vulnerability
Description: A remote code execution vulnerability exists in Microsoft SharePoint when the software fails to check the source markup of an application package. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the SharePoint application pool and the SharePoint server farm account.
Exploitation of this vulnerability requires that a user uploads a specially crafted SharePoint application package to an affected version of SharePoint.
The security update addresses the vulnerability by correcting how SharePoint checks the source markup of application packages.
FAQ: Is the Preview Pane an attack vector for this vulnerability?
No, the Preview Pane is not an attack vector.
Microsoft Office
GHSA
GHSA-wg3c-qwfq-8wfv: A remote code execution vulnerability exists in Microsoft SharePoint when the software fails to check the source markup of an application package, aka
ghsa_unreviewed·2022-05-24·CVSS 8.8
CVE-2020-0920 [HIGH] GHSA-wg3c-qwfq-8wfv: A remote code execution vulnerability exists in Microsoft SharePoint when the software fails to check the source markup of an application package, aka
A remote code execution vulnerability exists in Microsoft SharePoint when the software fails to check the source markup of an application package, aka 'Microsoft SharePoint Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-0929, CVE-2020-0931, CVE-2020-0932, CVE-2020-0971, CVE-2020-0974.
GHSA
GHSA-fmcx-pmpg-q87j: A remote code execution vulnerability exists in Microsoft SharePoint when the software fails to check the source markup of an application package, aka
ghsa_unreviewed·2022-05-24·CVSS 8.8
CVE-2020-0971 [HIGH] CWE-434 GHSA-fmcx-pmpg-q87j: A remote code execution vulnerability exists in Microsoft SharePoint when the software fails to check the source markup of an application package, aka
A remote code execution vulnerability exists in Microsoft SharePoint when the software fails to check the source markup of an application package, aka 'Microsoft SharePoint Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-0920, CVE-2020-0929, CVE-2020-0931, CVE-2020-0932, CVE-2020-0974.
GHSA
GHSA-pp7c-m8cf-8vm2: A remote code execution vulnerability exists in Microsoft SharePoint when the software fails to check the source markup of an application package, aka
ghsa_unreviewed·2022-05-24·CVSS 8.8
CVE-2020-0974 [HIGH] GHSA-pp7c-m8cf-8vm2: A remote code execution vulnerability exists in Microsoft SharePoint when the software fails to check the source markup of an application package, aka
A remote code execution vulnerability exists in Microsoft SharePoint when the software fails to check the source markup of an application package, aka 'Microsoft SharePoint Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-0920, CVE-2020-0929, CVE-2020-0931, CVE-2020-0932, CVE-2020-0971.
GHSA
GHSA-8j3r-p64j-mqh7: A remote code execution vulnerability exists in Microsoft SharePoint when the software fails to check the source markup of an application package, aka
ghsa_unreviewed·2022-05-24·CVSS 8.8
CVE-2020-0929 [HIGH] GHSA-8j3r-p64j-mqh7: A remote code execution vulnerability exists in Microsoft SharePoint when the software fails to check the source markup of an application package, aka
A remote code execution vulnerability exists in Microsoft SharePoint when the software fails to check the source markup of an application package, aka 'Microsoft SharePoint Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-0920, CVE-2020-0931, CVE-2020-0932, CVE-2020-0971, CVE-2020-0974.
GHSA
GHSA-p4vm-jv89-q82f: A remote code execution vulnerability exists in Microsoft SharePoint when the software fails to check the source markup of an application package, aka
ghsa_unreviewed·2022-05-24·CVSS 8.8
CVE-2020-0931 [HIGH] GHSA-p4vm-jv89-q82f: A remote code execution vulnerability exists in Microsoft SharePoint when the software fails to check the source markup of an application package, aka
A remote code execution vulnerability exists in Microsoft SharePoint when the software fails to check the source markup of an application package, aka 'Microsoft SharePoint Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-0920, CVE-2020-0929, CVE-2020-0932, CVE-2020-0971, CVE-2020-0974.
GHSA
GHSA-f3pr-7rjp-hqhv: A remote code execution vulnerability exists in Microsoft SharePoint when the software fails to check the source markup of an application package, aka
ghsa_unreviewed·2022-05-24·CVSS 8.8
CVE-2020-0932 [HIGH] GHSA-f3pr-7rjp-hqhv: A remote code execution vulnerability exists in Microsoft SharePoint when the software fails to check the source markup of an application package, aka
A remote code execution vulnerability exists in Microsoft SharePoint when the software fails to check the source markup of an application package, aka 'Microsoft SharePoint Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-0920, CVE-2020-0929, CVE-2020-0931, CVE-2020-0971, CVE-2020-0974.
Suricata
ET WEB_SPECIFIC_APPS Philboard SQL Injection Attempt -- philboard_forum.asp forumid SELECT
suricata·2010-07-30·CVSS 7.5
CVE-2007-0920 [HIGH] ET WEB_SPECIFIC_APPS Philboard SQL Injection Attempt -- philboard_forum.asp forumid SELECT
ET WEB_SPECIFIC_APPS Philboard SQL Injection Attempt -- philboard_forum.asp forumid SELECT
Rule: alert http $EXTERNAL_NET any -> $HTTP_SERVERS any (msg:"ET WEB_SPECIFIC_APPS Philboard SQL Injection Attempt -- philboard_forum.asp forumid SELECT"; flow:established,to_server; http.uri; content:"/philboard_forum.asp?"; nocase; content:"forumid="; nocase; content:"SELECT"; nocase; pcre:"/SELECT.+FROM/i"; reference:cve,CVE-2007-0920; reference:url,www.milw0rm.com/exploits/3295; classtype:web-application-attack; sid:2004924; rev:8; metadata:affected_product Web_Server_Applications, attack_target Web_Server, created_at 2010_07_30, deployment Datacenter, confidence Medium, signature_severity Major, tag SQL_Injection, updated_at 2020_09_09, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access,
Suricata
ET WEB_SPECIFIC_APPS Philboard SQL Injection Attempt -- philboard_forum.asp forumid INSERT
suricata·2010-07-30·CVSS 7.5
CVE-2007-0920 [HIGH] ET WEB_SPECIFIC_APPS Philboard SQL Injection Attempt -- philboard_forum.asp forumid INSERT
ET WEB_SPECIFIC_APPS Philboard SQL Injection Attempt -- philboard_forum.asp forumid INSERT
Rule: alert http $EXTERNAL_NET any -> $HTTP_SERVERS any (msg:"ET WEB_SPECIFIC_APPS Philboard SQL Injection Attempt -- philboard_forum.asp forumid INSERT"; flow:established,to_server; http.uri; content:"/philboard_forum.asp?"; nocase; content:"forumid="; nocase; content:"INSERT"; nocase; pcre:"/INSERT.+INTO/i"; reference:cve,CVE-2007-0920; reference:url,www.milw0rm.com/exploits/3295; classtype:web-application-attack; sid:2004926; rev:8; metadata:affected_product Web_Server_Applications, attack_target Web_Server, created_at 2010_07_30, deployment Datacenter, confidence Medium, signature_severity Major, tag SQL_Injection, updated_at 2020_09_09, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access,
Suricata
ET WEB_SPECIFIC_APPS Philboard SQL Injection Attempt -- philboard_forum.asp forumid UPDATE
suricata·2010-07-30·CVSS 7.5
CVE-2007-0920 [HIGH] ET WEB_SPECIFIC_APPS Philboard SQL Injection Attempt -- philboard_forum.asp forumid UPDATE
ET WEB_SPECIFIC_APPS Philboard SQL Injection Attempt -- philboard_forum.asp forumid UPDATE
Rule: alert http $EXTERNAL_NET any -> $HTTP_SERVERS any (msg:"ET WEB_SPECIFIC_APPS Philboard SQL Injection Attempt -- philboard_forum.asp forumid UPDATE"; flow:established,to_server; http.uri; content:"/philboard_forum.asp?"; nocase; content:"forumid="; nocase; content:"UPDATE"; nocase; pcre:"/UPDATE.+SET/i"; reference:cve,CVE-2007-0920; reference:url,www.milw0rm.com/exploits/3295; classtype:web-application-attack; sid:2004929; rev:8; metadata:affected_product Web_Server_Applications, attack_target Web_Server, created_at 2010_07_30, deployment Datacenter, confidence Medium, signature_severity Major, tag SQL_Injection, updated_at 2020_09_09, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, m
Suricata
ET WEB_SPECIFIC_APPS Philboard SQL Injection Attempt -- philboard_forum.asp forumid DELETE
suricata·2010-07-30·CVSS 7.5
CVE-2007-0920 [HIGH] ET WEB_SPECIFIC_APPS Philboard SQL Injection Attempt -- philboard_forum.asp forumid DELETE
ET WEB_SPECIFIC_APPS Philboard SQL Injection Attempt -- philboard_forum.asp forumid DELETE
Rule: alert http $EXTERNAL_NET any -> $HTTP_SERVERS any (msg:"ET WEB_SPECIFIC_APPS Philboard SQL Injection Attempt -- philboard_forum.asp forumid DELETE"; flow:established,to_server; http.uri; content:"/philboard_forum.asp?"; nocase; content:"forumid="; nocase; content:"DELETE"; nocase; pcre:"/DELETE.+FROM/i"; reference:cve,CVE-2007-0920; reference:url,www.milw0rm.com/exploits/3295; classtype:web-application-attack; sid:2004927; rev:8; metadata:affected_product Web_Server_Applications, attack_target Web_Server, created_at 2010_07_30, deployment Datacenter, confidence Medium, signature_severity Major, tag SQL_Injection, updated_at 2020_09_09, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access,
Suricata
ET WEB_SPECIFIC_APPS Philboard SQL Injection Attempt -- philboard_forum.asp forumid ASCII
suricata·2010-07-30·CVSS 7.5
CVE-2007-0920 [HIGH] ET WEB_SPECIFIC_APPS Philboard SQL Injection Attempt -- philboard_forum.asp forumid ASCII
ET WEB_SPECIFIC_APPS Philboard SQL Injection Attempt -- philboard_forum.asp forumid ASCII
Rule: alert http $EXTERNAL_NET any -> $HTTP_SERVERS any (msg:"ET WEB_SPECIFIC_APPS Philboard SQL Injection Attempt -- philboard_forum.asp forumid ASCII"; flow:established,to_server; http.uri; content:"/philboard_forum.asp?"; nocase; content:"forumid="; nocase; content:"SELECT"; nocase; pcre:"/ASCII\(.+SELECT/i"; reference:cve,CVE-2007-0920; reference:url,www.milw0rm.com/exploits/3295; classtype:web-application-attack; sid:2004928; rev:8; metadata:affected_product Web_Server_Applications, attack_target Web_Server, created_at 2010_07_30, deployment Datacenter, confidence Medium, signature_severity Major, tag SQL_Injection, updated_at 2020_09_09, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access,
Suricata
ET WEB_SPECIFIC_APPS Philboard SQL Injection Attempt -- philboard_forum.asp forumid UNION SELECT
suricata·2010-07-30·CVSS 7.5
CVE-2007-0920 [HIGH] ET WEB_SPECIFIC_APPS Philboard SQL Injection Attempt -- philboard_forum.asp forumid UNION SELECT
ET WEB_SPECIFIC_APPS Philboard SQL Injection Attempt -- philboard_forum.asp forumid UNION SELECT
Rule: alert http $EXTERNAL_NET any -> $HTTP_SERVERS any (msg:"ET WEB_SPECIFIC_APPS Philboard SQL Injection Attempt -- philboard_forum.asp forumid UNION SELECT"; flow:established,to_server; http.uri; content:"/philboard_forum.asp?"; nocase; content:"forumid="; nocase; content:"UNION"; nocase; pcre:"/UNION\s+SELECT/i"; reference:cve,CVE-2007-0920; reference:url,www.milw0rm.com/exploits/3295; classtype:web-application-attack; sid:2004925; rev:8; metadata:affected_product Web_Server_Applications, attack_target Web_Server, created_at 2010_07_30, deployment Datacenter, confidence Medium, signature_severity Major, tag SQL_Injection, updated_at 2020_09_09, mitre_tactic_id TA0001, mitre_tactic_name Ini
No public exploits indexed.
Tenable
Microsoft’s April 2020 Patch Tuesday Addresses 113 CVEs Including Adobe Type Manager Library Zero-Day Flaws (CVE-2020-0938, CVE-2020-1020)
blogs_tenable·2020-04-14·CVSS 7.8
[HIGH] Microsoft’s April 2020 Patch Tuesday Addresses 113 CVEs Including Adobe Type Manager Library Zero-Day Flaws (CVE-2020-0938, CVE-2020-1020)
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Talos
Microsoft Patch Tuesday — April 2020: Vulnerability disclosures and Snort coverage
blogs_talos·2020-04-14·CVSS 8.8
[HIGH] Microsoft Patch Tuesday — April 2020: Vulnerability disclosures and Snort coverage
By Jon Munshaw.
Microsoft released its monthly security update today, disclosing vulnerabilities across many of its products and releasing corresponding updates. This month's Patch Tuesday covers 115 vulnerabilities. Nineteen of the flaws Microsoft disclosed are considered critical. The remainders are scored as being “important” updates.
This month’s security update covers security issues in a variety of Microsoft services and software, including SharePoint, the Windows font library and the Windows kernel. A Cisco Talos researcher discovered CVE-2020-0939, an information disclosure vulnerability in Microsoft Media Foundation. For more, check out Talos’ full Vulnerability Spotlight here.
Talos also released a new set of SNORTⓇ rules that provide coverage for some of these vulnerabilities
Talos
Microsoft Patch Tuesday — April 2020: Vulnerability disclosures and Snort coverage
blogs_talos·2020-04-14·CVSS 8.8
[HIGH] Microsoft Patch Tuesday — April 2020: Vulnerability disclosures and Snort coverage
## Microsoft Patch Tuesday — April 2020: Vulnerability disclosures and Snort coverage
By Jon Munshaw.
Microsoft released its monthly security update today, disclosing vulnerabilities across many of its products and releasing corresponding updates. This month's Patch Tuesday covers 115 vulnerabilities. Nineteen of the flaws Microsoft disclosed are considered critical. The remainders are scored as being “important” updates.
This month’s security update covers security issues in a variety of Microsoft services and software, including SharePoint, the Windows font library and the Windows kernel. A Cisco Talos researcher discovered CVE-2020-0939 , an information disclosure vulnerability in Microsoft Media Foundation. For more, check out Talos’ full Vulnerability Spotlight here .
Talos also r
2020-04-15
Published