CVE-2011-2593

Description

Integer overflow in the StartEpa method in the nsepacom ActiveX control (nsepa.exe) in Citrix Access Gateway Enterprise Edition Plug-in for Windows 9.x before 9.3-57.5 and 10.0 before 10.0-69.4 allows remote attackers to execute arbitrary code via a crafted Content-Length HTTP header, which triggers a heap-based buffer overflow.

Category

6.8
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 8.36% Top 10%
Vendor Advisory citrix.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://secunia.com/advisories/45299 third party advisory
http://secunia.com/secunia_research/2012-26
http://support.citrix.com/article/CTX134303 patch vendor advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/77317 vdb entry

Frequently Asked Questions

What is the severity of CVE-2011-2593?
CVE-2011-2593 has been scored as a medium severity vulnerability.
How to fix CVE-2011-2593?
To fix CVE-2011-2593, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-2593 being actively exploited in the wild?
It is possible that CVE-2011-2593 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~8% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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