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.
02 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.
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 2.93% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 86.9% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2015-10-26 17:00Z11 YR AGO
- Last updated
- 2024-08-06 13:10Z2 YR AGO
- Reserved
- 2014-10-12
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- 08c5ef0aa8ab080f6baee0c8136c455e80e7205de75570727e19f15eb050a34d
05 Affected products
06 References
- lists.fedoraproject.orgFEDORA-2015-3366http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152355.html
- lists.opensuse.orgopenSUSE-SU-2015:1752http://lists.opensuse.org/opensuse-updates/2015-10/msg00034.html
- www.openwall.com[oss-security] 20140805 [CVE Requests] rsync and librsync collisionshttp://www.openwall.com/lists/oss-security/2014/08/05/5
- lists.fedoraproject.orgFEDORA-2015-3497http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152366.html
- www.openwall.com[oss-security] 20140728 rsync vulnerable to collisionshttp://www.openwall.com/lists/oss-security/2014/07/28/1
- security.gentoo.orgGLSA-201605-04https://security.gentoo.org/glsa/201605-04
- github.comhttps://github.com/librsync/librsync/issues/5
- www.openwall.com[oss-security] 20141012 Re: [CVE Requests] rsync and librsync collisionshttp://www.openwall.com/lists/oss-security/2014/10/13/2
- www.miknet.nethttps://www.miknet.net/security/optimizing-birthday-attack/
- lists.fedoraproject.orgFEDORA-2015-2923http://lists.fedoraproject.org/pipermail/package-announce/2015-March/151105.html
- github.comhttps://github.com/librsync/librsync/releases/tag/v1.0.0
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1126712
07 Fixed in
Debian 12
- librsync Fixed in 2.0.2-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- librsync Fixed in 2.0.2-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- librsync Fixed in 2.0.2-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- librsync No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- librsync No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.