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CVE-2014-6272

7.5 · HIGH

Multiple integer overflows in the evbuffer API in Libevent 1.4.x before 1.4.15, 2.0.x before 2.0.22, and 2.1.x before 2.1.5-beta allow context-dependent attackers to cause a denial of service or po…

Published Aug 24, 2015debianCWE-189EPSS 2.08%

Overview

CVE-2014-6272 is a high-severity vulnerability affecting debian debian_linux. It was published on August 24, 2015 and has a CVSS 2.0 base score of 7.5 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Multiple integer overflows in the evbuffer API in Libevent 1.4.x before 1.4.15, 2.0.x before 2.0.22, and 2.1.x before 2.1.5-beta allow context-dependent attackers to cause a denial of service or possibly have other unspecified impact via "insanely large inputs" to the (1) evbuffer_add, (2) evbuffer_expand, or (3) bufferevent_write function, which triggers a heap-based buffer overflow or an infinite loop. NOTE: this identifier has been SPLIT per ADT3 due to different affected versions. See CVE-2015-6525 for the functions that are only affected in 2.0 and later.

Remediation

Check the references section for vendor advisories and patches from debian. Update debian_linux 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

References

Refarchives.seul.org/libevent/users/Jan-2015/msg00010.htmlRefwww.debian.org/security/2015/dsa-3119Refwww.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.366317Refpuppet.com/security/cve/CVE-2014-6272Refarchives.seul.org/libevent/users/Jan-2015/msg00010.htmlRefwww.debian.org/security/2015/dsa-3119Refwww.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.366317Refpuppet.com/security/cve/CVE-2014-6272

How CyberStrike helps

Frequently asked questions

What is CVE-2014-6272?

CVE-2014-6272 is a high-severity vulnerability affecting debian debian_linux. It was published on August 24, 2015 and has a CVSS 2.0 base score of 7.5 (HIGH).

How severe is CVE-2014-6272?

This vulnerability has a CVSS 2.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2014-6272?

Check the references section for vendor advisories and patches from debian. Update debian_linux 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-2014-6272?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2014-6272 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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