Vulnerability Details : CVE-2018-6951
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.
Vulnerability category: Memory CorruptionDenial of service
Products affected by CVE-2018-6951
- cpe:2.3:a:gnu:patch:*:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-6951
1.27%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 84 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-6951
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2018-6951
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-6951
-
https://git.savannah.gnu.org/cgit/patch.git/commit/?id=f290f48a621867084884bfff87f8093c15195e6a
patch.git - GNU patchPatch;Vendor Advisory
-
https://savannah.gnu.org/bugs/index.php?53132
GNU patch - Bugs: bug #53132, segfault / null pointer read [Savannah]Issue Tracking;Vendor Advisory
-
https://usn.ubuntu.com/3624-1/
USN-3624-1: Patch vulnerabilities | Ubuntu security noticesThird Party Advisory
-
http://www.securityfocus.com/bid/103044
GNU Patch 'src/pch.c' Denial of Service VulnerabilityThird Party Advisory;VDB Entry
-
https://security.gentoo.org/glsa/201904-17
Patch: Multiple vulnerabilities (GLSA 201904-17) — Gentoo security
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