CVE-2014-8242

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.

Category

5.8
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 1.54% Top 20%
Vendor Advisory fedoraproject.org Vendor Advisory opensuse.org Vendor Advisory fedoraproject.org Vendor Advisory gentoo.org Vendor Advisory fedoraproject.org
Affected: n/a n/a
Published at:
Updated at:

References

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

Frequently Asked Questions

What is the severity of CVE-2014-8242?
CVE-2014-8242 has been scored as a medium severity vulnerability.
How to fix CVE-2014-8242?
To fix CVE-2014-8242, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2014-8242 being actively exploited in the wild?
It is possible that CVE-2014-8242 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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