CVE-2014-8242

Name: CVE-2014-8242
Creator: NVD / NIST
Published: 2015-10-26T17:59:00.107+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.94%

Last modified Jun 17, 2026

CVE-2014-8242 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 2.94% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

2.94%

85.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-310

Affected Software

Vendor	Product	Versions
Librsync Project	Librsync	< 1.0.0

References

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

Timeline

Published: Oct 26, 2015
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2014-8242?

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.

How severe is CVE-2014-8242?

Severity scoring for CVE-2014-8242 is pending analysis. The EPSS model estimates a 2.94% probability of exploitation in the next 30 days.

How do I fix CVE-2014-8242?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

Related CVEs from 2014

View all 2014CVEs →

Are you affected by CVE-2014-8242?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST