Unscored severity · published Apr 16, 2015
CVE-2015-1821
Heap-based buffer overflow in chrony before 1.31.1 allows remote authenticated users to cause a denial of service (chronyd crash) or possibly execute arbitrary code by configuring…
–
CVSS
3.4%
EPSS
No
On KEV
Description
Heap-based buffer overflow in chrony before 1.31.1 allows remote authenticated users to cause a denial of service (chronyd crash) or possibly execute arbitrary code by configuring the (1) NTP or (2) cmdmon access with a subnet size that is indivisible by four and an address with a nonzero bit in the subnet remainder.
Exploitation
Is it being used?
Exploit prediction (EPSS)3.4% · higher than 89% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CH
Chrony · Tuxfamily
through 1.31 · source: NVD
DL
Debian Linux · Debian
7.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2015-1821
CVE.org
https://www.cve.org/CVERecord?id=CVE-2015-1821
Patch
http://listengine.tuxfamily.org/chrony.tuxfamily.org/chrony-announce/2015/04/msg00002.html
www.debian.org
http://www.debian.org/security/2015/dsa-3222
www.oracle.com
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
www.securityfocus.com
http://www.securityfocus.com/bid/73955
security.gentoo.org
https://security.gentoo.org/glsa/201507-01
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