SB2022092949 - Gentoo update for Poppler



SB2022092949 - Gentoo update for Poppler

Published: September 29, 2022

Security Bulletin ID SB2022092949
Severity
Critical
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Critical 50% High 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Integer overflow (CVE-ID: CVE-2021-30860)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to integer overflow when processing PDF files within the CoreGraphics component. A remote attacker can trick the victim to open a specially crafted PDF file, trigger integer overflow and execute arbitrary code on the target system.

Note, the vulnerability is being active exploited in-the-wild via the FORCEDENTRY tool against Bahraini activists.


2) Integer overflow (CVE-ID: CVE-2022-38784)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to integer overflow within the JBIG2 decoder in the JBIG2Stream::readTextRegionSeg() function in JBIGStream.cc. A remote attacker can pass a specially crafted PDF file or JBIG2 image to the application, trigger an integer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install update from vendor's website.