CVE-2012-4502 - CVE House
Back to Database
Status published Medium CVE-2012-4502

Multiple integer overflows in pktlength.c in Chrony before 1.29 allow...

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2012-4502

Credits & Attribution

No credits recorded in the NVD database.

References

More from tuxfamily

View All →
CVE-2016-1567
chrony before 1.31.2 and 2.x before 2.2.1 do not verify...
High 8.1
CVE-2015-1821
Heap-based buffer overflow in chrony before 1.31.1 allows remote authenticated...
Medium 6.5
CVE-2012-4503
cmdmon.c in Chrony before 1.29 allows remote attackers to obtain...
Medium 5
CVE-2010-0294
chronyd in Chrony before 1.23.1, and possibly 1.24-pre1, generates a...
Medium 5
CVE-2010-0293
The client logging functionality in chronyd in Chrony before 1.23.1...
Medium 5

Affected Vendor

Affected Software

chrony
Vulnerable Versions:
0, 1.0, 1.1, 1.18, 1.19, 1.19.99.1, 1.19.99.2, 1.19.99.3, 1.20, 1.21, 1.23, 1.23.1, 1.24, 1.25, 1.26, 1.27, 1.28

Timeline

Official Publish: November 5th, 2013
Last Modified: September 17th, 2024
Added to House: July 19th, 2026

CVSS Vectors

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.