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CVE-2011-1071

5.1 · MEDIUM

The GNU C Library (aka glibc or libc6) before 2.12.2 and Embedded GLIBC (EGLIBC) allow context-dependent attackers to execute arbitrary code or cause a denial of service (memory consumption) via a…

Published Apr 8, 2011gnuCWE-399EPSS 14.32%

Overview

CVE-2011-1071 is a medium-severity vulnerability affecting gnu eglibc. It was published on April 8, 2011 and has a CVSS 2.0 base score of 5.1 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.1, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The GNU C Library (aka glibc or libc6) before 2.12.2 and Embedded GLIBC (EGLIBC) allow context-dependent attackers to execute arbitrary code or cause a denial of service (memory consumption) via a long UTF8 string that is used in an fnmatch call, aka a "stack extension attack," a related issue to CVE-2010-2898, CVE-2010-1917, and CVE-2007-4782, as originally reported for use of this library by Google Chrome.

Remediation

Check the references section for vendor advisories and patches from gnu. Update eglibc to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
gnuglibc0Affected

References

Refbugs.debian.org/615120Refcode.google.com/p/chromium/issues/detail?id=48733Refopenwall.com/lists/oss-security/2011/02/26/3Refopenwall.com/lists/oss-security/2011/02/28/11Refopenwall.com/lists/oss-security/2011/02/28/15Refscarybeastsecurity.blogspot.com/2011/02/i-got-accidental-code-execution-via.htmlRefseclists.org/fulldisclosure/2011/Feb/635Refseclists.org/fulldisclosure/2011/Feb/644Refsecunia.com/advisories/43492Refsecunia.com/advisories/43830

How CyberStrike helps

Frequently asked questions

What is CVE-2011-1071?

CVE-2011-1071 is a medium-severity vulnerability affecting gnu eglibc. It was published on April 8, 2011 and has a CVSS 2.0 base score of 5.1 (MEDIUM).

How severe is CVE-2011-1071?

This vulnerability has a CVSS 2.0 base score of 5.1, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2011-1071?

Check the references section for vendor advisories and patches from gnu. Update eglibc to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2011-1071?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2011-1071 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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