Unrated severityNVD Advisory· Published Nov 5, 2013· Updated Apr 29, 2026
CVE-2012-4502
CVE-2012-4502
Description
Multiple integer overflows in pktlength.c in Chrony before 1.29 allow remote attackers to cause a denial of service (crash) via a crafted (1) REQ_SUBNETS_ACCESSED or (2) REQ_CLIENT_ACCESSES command request to the PKL_CommandLength function or crafted (3) RPY_SUBNETS_ACCESSED, (4) RPY_CLIENT_ACCESSES, (5) RPY_CLIENT_ACCESSES_BY_INDEX, or (6) RPY_MANUAL_LIST command reply to the PKL_ReplyLength function, which triggers an out-of-bounds read or buffer overflow. NOTE: versions 1.27 and 1.28 do not require authentication to exploit.
Affected products
24cpe:2.3:a:tuxfamily:chrony:*:*:*:*:*:*:*:*+ 23 more
- cpe:2.3:a:tuxfamily:chrony:*:*:*:*:*:*:*:*range: <=1.28
- cpe:2.3:a:tuxfamily:chrony:1.0:*:*:*:*:*:*:*
- cpe:2.3:a:tuxfamily:chrony:1.1:*:*:*:*:*:*:*
- cpe:2.3:a:tuxfamily:chrony:1.18:*:*:*:*:*:*:*
- cpe:2.3:a:tuxfamily:chrony:1.19:*:*:*:*:*:*:*
- cpe:2.3:a:tuxfamily:chrony:1.19.99.1:*:*:*:*:*:*:*
- cpe:2.3:a:tuxfamily:chrony:1.19.99.2:*:*:*:*:*:*:*
- cpe:2.3:a:tuxfamily:chrony:1.19.99.3:*:*:*:*:*:*:*
- cpe:2.3:a:tuxfamily:chrony:1.20:*:*:*:*:*:*:*
- cpe:2.3:a:tuxfamily:chrony:1.21:*:*:*:*:*:*:*
- cpe:2.3:a:tuxfamily:chrony:1.21:pre1:*:*:*:*:*:*
- cpe:2.3:a:tuxfamily:chrony:1.23:*:*:*:*:*:*:*
- cpe:2.3:a:tuxfamily:chrony:1.23.1:*:*:*:*:*:*:*
- cpe:2.3:a:tuxfamily:chrony:1.23:pre1:*:*:*:*:*:*
- cpe:2.3:a:tuxfamily:chrony:1.24:*:*:*:*:*:*:*
- cpe:2.3:a:tuxfamily:chrony:1.24:pre1:*:*:*:*:*:*
- cpe:2.3:a:tuxfamily:chrony:1.25:*:*:*:*:*:*:*
- cpe:2.3:a:tuxfamily:chrony:1.25:pre1:*:*:*:*:*:*
- cpe:2.3:a:tuxfamily:chrony:1.25:pre2:*:*:*:*:*:*
- cpe:2.3:a:tuxfamily:chrony:1.26:*:*:*:*:*:*:*
- cpe:2.3:a:tuxfamily:chrony:1.26:pre1:*:*:*:*:*:*
- cpe:2.3:a:tuxfamily:chrony:1.27:*:*:*:*:*:*:*
- cpe:2.3:a:tuxfamily:chrony:1.27:pre1:*:*:*:*:*:*
- cpe:2.3:a:tuxfamily:chrony:1.28:pre1:*:*:*:*:*:*
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
4- permalink.gmane.org/gmane.comp.time.chrony.announce/15nvdPatchVendor Advisory
- seclists.org/oss-sec/2013/q3/332nvdPatch
- bugzilla.redhat.com/show_bug.cginvdPatch
- www.debian.org/security/2013/dsa-2760nvd
News mentions
0No linked articles in our index yet.