Out-of-bounds read in xpdf - CVE-2018-8102

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Main Vulnerability Database Vulnerabilities #VU37434

Out-of-bounds read in xpdf - CVE-2018-8102

Published: March 14, 2018 / Updated: August 8, 2020


Vulnerability identifier: #VU37434
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2018-8102
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Glyph & Cog
Affected software:
xpdf

Detailed vulnerability description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The JBIG2MMRDecoder::getBlackCode function in JBIG2Stream.cc in xpdf 4.00 allows attackers to launch denial of service (buffer over-read and application crash) via a specific pdf file, as demonstrated by pdftohtml.


How to mitigate CVE-2018-8102

Install update from vendor's website.

Sources