CVE-2011-2882: citrix access_gateway

Vulnerability summary

CVE-2011-2882 is a high (CVSS 9.3) vulnerability in citrix access_gateway. EPSS estimates a 56.37% chance of exploitation in the next 30 days, higher than 99% of scored vulnerabilities. 2 public exploits are recorded.

Timeline

1. 21-07-2011
   PublishedVulnerability first disclosed.
2. 06-08-2024
   Last modifiedVulnerability information updated.

Description

Stack-based buffer overflow in the NSEPA.NsepaCtrl.1 ActiveX control in nsepa.ocx in Citrix Access Gateway Enterprise Edition 8.1 before 8.1-67.7, 9.0 before 9.0-70.5, and 9.1 before 9.1-96.4 allows remote attackers to execute arbitrary code via crafted HTTP header data.

• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferThe product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.