Information disclosure in Tuxfamily Chrony
CVE-2012-4503
cmdmon.c in Chrony before 1.29 allows remote attackers to obtain potentially sensitive information from stack memory via vectors related to (1) an invalid subnet in a RPY_SUBNETS_ACCESSED command to the handle_subnets_accessed function or (2) a RPY_CLIENT_ACCESSES command to the handle_client_accesses function when client logging is disabled, which causes uninitialized data to be included in a reply.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v2 metric
CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.031 (87.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 87.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.031 · newest: 0.031 · change: 0.000
Affected products
- Tuxfamily Chrony — versions 1.0, 1.1, 1.18
Weakness classification (CWE)
References
- permalink.gmane.org/gmane.comp.time.chrony.announce/15 (Vendor Advisory, mailing-list)
- www.debian.org/security/2013/dsa-2760 (vendor-advisory)
- seclists.org/oss-sec/2013/q3/332 (mailing-list, Patch)
- git.tuxfamily.org/chrony/chrony.git/
- bugzilla.redhat.com/show_bug.cgi