Buffer overflow in xpdf - CVE-2019-9877
Published: March 21, 2019 / Updated: August 8, 2020
Vulnerability identifier: #VU36051
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2019-9877
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Glyph & Cog
Affected software:
xpdf
xpdf
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
There is an invalid memory access vulnerability in the function TextPage::findGaps() located at TextOutputDev.c in Xpdf 4.01, which can (for example) be triggered by sending a crafted pdf file to the pdftops binary. It allows an attacker to cause Denial of Service (Segmentation fault) or possibly have unspecified other impact.
How to mitigate CVE-2019-9877
Install update from vendor's website.