Vulnerability Details : CVE-2018-6120
Potential exploit
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 category: OverflowMemory CorruptionExecute code
Products affected by CVE-2018-6120
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*
- cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-6120
3.07%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 91 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-6120
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST | |
8.8
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
CWE ids for CVE-2018-6120
-
The product performs a calculation that can produce an integer overflow or wraparound when the logic assumes that the resulting value will always be larger than the original value. This occurs when an integer value is incremented to a value that is too large to store in the associated representation. When this occurs, the value may become a very small or negative number.Assigned by: nvd@nist.gov (Primary)
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-6120
-
https://access.redhat.com/errata/RHSA-2018:1446
RHSA-2018:1446 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
https://www.debian.org/security/2018/dsa-4237
Debian -- Security Information -- DSA-4237-1 chromium-browserThird Party Advisory
-
https://security.gentoo.org/glsa/201805-06
Chromium, Google Chrome: Multiple vulnerabilities (GLSA 201805-06) — Gentoo securityThird Party Advisory
-
https://chromereleases.googleblog.com/2018/05/stable-channel-update-for-desktop.html
Chrome Releases: Stable Channel Update for DesktopRelease Notes;Vendor Advisory
-
https://crbug.com/833721
833721 - Security: PDFium heap-buffer-overflow WRITE in CPDF_ExpIntFunc::v_Call - chromium - MonorailExploit;Issue Tracking;Vendor Advisory;Patch
-
http://www.securityfocus.com/bid/104143
Google Chrome Prior to 66.0.3359.170 Multiple Security VulnerabilitiesThird Party Advisory;VDB Entry
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