High severity · published Feb 13, 2018
CVE-2018-6951
An issue was discovered in GNU patch through 2.7.6
7.5
CVSS
8.4%
EPSS
No
On KEV
Description
An issue was discovered in GNU patch through 2.7.6. There is a segmentation fault, associated with a NULL pointer dereference, leading to a denial of service in the intuit_diff_type function in pch.c, aka a "mangled rename" issue.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)8.4% · higher than 95% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PA
Patch · Gnu
through 2.7.6 · source: NVD
UL
Ubuntu Linux · Canonical
14.04; 16.04; 17.10 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-6951
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-6951
Third Party Advisory
http://www.securityfocus.com/bid/103044
Patch
https://git.savannah.gnu.org/cgit/patch.git/commit/?id=f290f48a621867084884bfff87f8093c15195e6a
Issue Tracking
https://savannah.gnu.org/bugs/index.php?53132
security.gentoo.org
https://security.gentoo.org/glsa/201904-17
Third Party Advisory
https://usn.ubuntu.com/3624-1/
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