What’s Vulnerable › Vulnerabilities

CVE-2014-8242

• Severity: medium (CVSS 5.8 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2015-10-26 · updated 2026-06-17
• Weakness: CWE-310

Description

librsync before 1.0.0 uses a truncated MD4 checksum to match blocks, which makes it easier for remote attackers to modify transmitted data via a birthday attack.

Affected products

• Librsync Project Librsync: before 1.0.0 — fixed in 1.0.0

How to fix

Upgrade to a fixed version: Librsync Project Librsync 1.0.0. Check the vendor advisory for mitigations.

References

• http://lists.fedoraproject.org/pipermail/package-announce/2015-March/151105.html
• http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152355.html
• http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152366.html
• http://lists.opensuse.org/opensuse-updates/2015-10/msg00034.html
• http://www.openwall.com/lists/oss-security/2014/07/28/1
• http://www.openwall.com/lists/oss-security/2014/08/05/5
• http://www.openwall.com/lists/oss-security/2014/10/13/2
• https://bugzilla.redhat.com/show_bug.cgi?id=1126712
• https://github.com/librsync/librsync/issues/5
• https://github.com/librsync/librsync/releases/tag/v1.0.0
• https://security.gentoo.org/glsa/201605-04
• https://www.miknet.net/security/optimizing-birthday-attack/

Get alerted when CVE-2014-8242 or the next vulnerability affects your stack