Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2015-1822

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.

Published

2015-04-16T14:59:03.023

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 6.5 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: SINGLE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

8.0

Impact Score

6.4

Weaknesses

Type: Primary
CWE-17

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	debian	debian_linux	7.0	Yes
Application	tuxfamily	chrony	≤ 1.31	Yes

References

http://listengine.tuxfamily.org/chrony.tuxfamily.org/chrony-announce/2015/04/msg00002.html Patch, Vendor Advisory ([email protected])
http://www.debian.org/security/2015/dsa-3222 ([email protected])
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html ([email protected])
http://www.securityfocus.com/bid/73956 ([email protected])
https://security.gentoo.org/glsa/201507-01 ([email protected])
http://listengine.tuxfamily.org/chrony.tuxfamily.org/chrony-announce/2015/04/msg00002.html Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2015/dsa-3222 (af854a3a-2127-422b-91ae-364da2661108)
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/73956 (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/201507-01 (af854a3a-2127-422b-91ae-364da2661108)