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CVE-2015-3281

5.0 · MEDIUM

The buffer_slow_realign function in HAProxy 1.5.x before 1.5.14 and 1.6-dev does not properly realign a buffer that is used for pending outgoing data, which allows remote attackers to obtain sensit…

Published Jul 6, 2015debianCWE-119EPSS 4.33%

Overview

CVE-2015-3281 is a medium-severity vulnerability affecting debian debian_linux. It was published on July 6, 2015 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The buffer_slow_realign function in HAProxy 1.5.x before 1.5.14 and 1.6-dev does not properly realign a buffer that is used for pending outgoing data, which allows remote attackers to obtain sensitive information (uninitialized memory contents of previous requests) via a crafted request.

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

Refgit.haproxy.org/?p=haproxy-1.5.git%3Ba=commit%3Bh=7ec765568883b2d4e5a2796adbeb492a22ec9bd4Reflists.opensuse.org/opensuse-security-announce/2015-10/msg00001.htmlReflists.opensuse.org/opensuse-security-announce/2015-10/msg00023.htmlRefrhn.redhat.com/errata/RHSA-2015-1741.htmlRefrhn.redhat.com/errata/RHSA-2015-2666.htmlRefwww.debian.org/security/2015/dsa-3301Refwww.haproxy.org/news.htmlRefwww.securityfocus.com/bid/75554Refwww.ubuntu.com/usn/USN-2668-1Refgit.haproxy.org/?p=haproxy-1.5.git%3Ba=commit%3Bh=7ec765568883b2d4e5a2796adbeb492a22ec9bd4

How CyberStrike helps

Frequently asked questions

What is CVE-2015-3281?

CVE-2015-3281 is a medium-severity vulnerability affecting debian debian_linux. It was published on July 6, 2015 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

How severe is CVE-2015-3281?

This vulnerability has a CVSS 2.0 base score of 5.0, 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-2015-3281?

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-2015-3281?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2015-3281 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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