Buffer overflow in Google Chrome
CVE-2018-6120
An integer overflow that could lead to an attacker-controlled heap out-of-bounds write in PDFium in Google Chrome prior to 66.0.3359.170 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted PDF file.
Vulnerability class: Integer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.024 (83.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 83.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · change: 0.000
Affected products
- Google Chrome — versions unspecified
- Debian Linux — versions 9.0
- Red Hat Enterprise Linux Desktop — versions 6.0
- Red Hat Enterprise Linux Server — versions 6.0
- Red Hat Enterprise Linux Workstation — versions 6.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- crbug.com/833721
- access.redhat.com/errata/RHSA-2018:1446 (vendor-advisory)
- security.gentoo.org/glsa/201805-06 (vendor-advisory)
- chromereleases.googleblog.com/2018/05/stable-channel-update-for-desktop.html
- www.securityfocus.com/bid/104143 (vdb-entry)
- www.debian.org/security/2018/dsa-4237 (vendor-advisory)
Frequently asked questions
- What is CVE-2018-6120?
- CVE-2018-6120 is a high-severity vulnerability in Google Chrome, classified under Integer Overflow or Wraparound. CVSS score: 8.8/10. Published 2019-01-09.
- How severe is CVE-2018-6120?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2018-6120 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.