Home/CVE/chrony before 1.31.1 does not initialize the last "next" pointer when saving unacknowledged replies to command requests,
CVE

CVE-2015-1822

chrony before 1.31.1 does not initialize the last "next" pointer when saving unacknowledged replies to command requests,

chrony before 1.31.1 does not initialize the last "next" pointer when saving unacknowledged replies to command requests, which allows remote authenticated users to cause a denial of service (uninitialized pointer dereference and daemon crash) or possibly execute arbitrary code via a large number of command requests.

MEDIUM · CVSS 6.5 EPSS 0.0211
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  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
▤

Affected Products & Versions

2
debian linuxall versions
tuxfamily chrony<= 1.31
▣

Scoring & Timeline

6.5
MEDIUM · CVSS v2 (legacy) · secalert@redhat.com
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This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:L/Au:S/C:P/I:P/A:P
Published to NVD16 Apr 2015 · 02:59 PM
⚑

Vendor Advisories

1
rhsaRHSA-2015:2241Moderate
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://listengine.tuxfamily.org/chrony.tuxfamily.org/chrony-announce/2015/04/msg00002.htmlPatchVendor Advisory
http://www.debian.org/security/2015/dsa-3222
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
http://www.securityfocus.com/bid/73956
https://security.gentoo.org/glsa/201507-01
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