SB2014042305 - Input validation error in Samba Rsync
Published: April 23, 2014 Updated: August 10, 2020
Security Bulletin ID
SB2014042305
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2014-2855)
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
The check_secret function in authenticate.c in rsync 3.1.0 and earlier allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a user name which does not exist in the secrets file.
Remediation
Install update from vendor's website.
References
- http://advisories.mageia.org/MGASA-2015-0065.html
- http://lists.fedoraproject.org/pipermail/package-announce/2014-April/131910.html
- http://lists.opensuse.org/opensuse-updates/2014-05/msg00006.html
- http://secunia.com/advisories/57948
- http://www.mandriva.com/security/advisories?name=MDVSA-2015:131
- http://www.openwall.com/lists/oss-security/2014/04/14/5
- http://www.openwall.com/lists/oss-security/2014/04/15/1
- http://www.ubuntu.com/usn/USN-2171-1
- https://bugs.launchpad.net/ubuntu/+source/rsync/+bug/1307230
- https://bugzilla.samba.org/show_bug.cgi?id=10551
- https://git.samba.org/?p=rsync.git;a=commit;h=0dedfbce2c1b851684ba658861fe9d620636c56a