CVE-2011-3288

CWE-776 — XML Entity Expansion (Billion Laughs)CWE-3994 documents4 sources
Severity
7.5HIGH
EPSS
0.5%
top 32.93%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Cisco Unified Presence
Timeline
PublishedOct 6
Latest updateMay 17

Description

Cisco Unified Presence before 8.5(4) does not properly detect recursion during entity expansion, which allows remote attackers to cause a denial of service (memory and CPU consumption, and process crash) via a crafted XML document containing a large number of nested entity references, aka Bug IDs CSCtq89842 and CSCtq88547, a similar issue to CVE-2003-1564.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages1 packages

▶NVDcisco/unified_presence< 8.5\(4\)

🔴Vulnerability Details

2
GHSA
GHSA-66wf-g54m-27m7: Cisco Unified Presence before 8↗2022-05-17
▶
CVEList
CVE-2011-3288: Cisco Unified Presence before 8↗2011-10-06
▶

📋Vendor Advisories

1
Cisco
Jabber Extensible Communications Platform and Cisco Unified Presence XML Denial of Service Vulnerability↗2011-09-28
▶
CVE-2011-3288 (HIGH CVSS 7.5) | Cisco Unified Presence before 8.5(4 | cvebase.io