Buffer overflow in GNOME Gcab
CVE-2018-5345
A stack-based buffer overflow within GNOME gcab through 0.7.4 can be exploited by malicious attackers to cause a crash or, potentially, execute arbitrary code via a crafted .cab file.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.022 (81.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 81.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.022 · newest: 0.022 · change: 0.000
Affected products
- GNOME Gcab
- Canonical Ubuntu Linux — versions 16.04, 17.10
- Debian Linux — versions 9.0
- Fedoraproject Fedora
- Red Hat Enterprise Linux Desktop — versions 7.0
- Red Hat Enterprise Linux Server — versions 7.0
- Red Hat Enterprise Linux Server Aus — versions 7.4, 7.6
- Red Hat Enterprise Linux Server Eus — versions 7.4, 7.5, 7.6
- Red Hat Enterprise Linux Server Tus — versions 7.4, 7.6
- Red Hat Enterprise Linux Workstation — versions 7.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- access.redhat.com/errata/RHSA-2018:0350 (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/3546-1/ (vendor-advisory, Third Party Advisory)
- bugzilla.redhat.com/show_bug.cgi (VDB Entry, Third Party Advisory, Issue Tracking)
- www.debian.org/security/2018/dsa-4095 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-5345?
- CVE-2018-5345 is a high-severity vulnerability in GNOME Gcab, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2018-01-12.
- How severe is CVE-2018-5345?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2018-5345 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.