NULL pointer dereference in GNU Patch
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.084 (94.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 94.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.084 · newest: 0.084 · change: -0.001
Affected products
- GNU Patch
- Canonical Ubuntu Linux — versions 14.04, 16.04, 17.10
Weakness classification (CWE)
Public proof-of-concept exploits
References
- usn.ubuntu.com/3624-1/ (vendor-advisory, Third Party Advisory)
- git.savannah.gnu.org/cgit/patch.git/commit/ (Patch, Vendor Advisory)
- www.securityfocus.com/bid/103044 (VDB Entry, Third Party Advisory, vdb-entry)
- savannah.gnu.org/bugs/index.php (Issue Tracking, Vendor Advisory)
- security.gentoo.org/glsa/201904-17 (vendor-advisory)
Frequently asked questions
- What is CVE-2018-6951?
- CVE-2018-6951 is a high-severity vulnerability in GNU Patch, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2018-02-13.
- How severe is CVE-2018-6951?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2018-6951 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.