CVE-2012-4502
5.0 · MEDIUMOverview
CVE-2012-4502 is a medium-severity vulnerability affecting tuxfamily chrony. It was published on November 5, 2013 and has a CVSS 2.0 base score of 5.0 (MEDIUM).
This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from tuxfamily. Update chrony to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| tuxfamily | chrony | 0 | Affected |
References
Frequently Asked Questions
What is CVE-2012-4502?
CVE-2012-4502 is a medium-severity vulnerability affecting tuxfamily chrony. It was published on November 5, 2013 and has a CVSS 2.0 base score of 5.0 (MEDIUM).
How severe is CVE-2012-4502?
This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2012-4502?
Check the references section for vendor advisories and patches from tuxfamily. Update chrony to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2012-4502?
CyberStrike's AI-powered security agents can automatically detect CVE-2012-4502 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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