⚠ Actively exploited
Added to CISA KEV on 2022-06-08. Federal agencies required to patch by 2022-06-22. Required action: Apply updates per vendor instructions..

CVE-2012-1889

CWE-787 — Out-of-bounds WriteCWE-119 — Buffer Overflow10 documents9 sources
Severity
8.8HIGH
EPSS
93.1%
top 0.21%
CISA KEV
KEV
Added 2022-06-08
Due 2022-06-22
Exploit
Exploited in wild
Active exploitation observed
Affected products
1
Microsoft XML Core Services
Timeline
PublishedJun 13
KEV addedJun 8
KEV dueJun 22
CISA Required Action: Apply updates per vendor instructions.

Description

Microsoft XML Core Services 3.0, 4.0, 5.0, and 6.0 accesses uninitialized memory locations, which allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages1 packages

▶NVDmicrosoft/xml_core_services4 versions+3

Patches

Patch: docs.microsoft.com ↗Patch: docs.microsoft.com ↗

🔴Vulnerability Details

3
GHSA
GHSA-hv88-2gcv-6mjq: Microsoft XML Core Services 3↗2022-05-13
▶
CVEList
CVE-2012-1889: Microsoft XML Core Services 3↗2012-06-13
▶
VulnCheck
Microsoft XML Core Services Memory Corruption Vulnerability↗2012
▶

💥Exploits & PoCs

1
Exploit-DB
Microsoft XML Core Services - MSXML Uninitialized Memory Corruption (MS12-043) (Metasploit)↗2012-06-16
▶

🔍Detection Rules

1
Suricata
ET WEB_CLIENT Potential MSXML2.FreeThreadedDOMDocument Uninitialized Memory Corruption Attempt↗2012-07-10
▶

📋Vendor Advisories

1
CISA
Microsoft XML Core Services Memory Corruption Vulnerability↗2022-06-08
▶

🕵️Threat Intelligence

1
Talos
Microsoft In-The-Wild Coverage - CVE-2012-1889 and CVE-2012-1875↗2012-06-21
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CVE-2012-1889 (HIGH CVSS 8.8) | Microsoft XML Core Services 3.0 | cvebase.io