SB2019111328 - Arch Linux update for libtiff

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Main Vulnerability Database SB2019111328

SB2019111328 - Arch Linux update for libtiff

Published: November 13, 2019 Updated: May 21, 2022

Security Bulletin ID SB2019111328
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Partial DoS

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Memory leak (CVE-ID: CVE-2019-6128)

The vulnerability allows a remote attacker to perform DoS attack on the target system.

The vulnerability exists due memory leak in TIFFFdOpen function in tif_unix.c. A remote attacker can trigger memory leak and perform denial of service attack.


2) NULL pointer dereference (CVE-ID: CVE-2019-7663)

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

The vulnerability exists due to an invalid address dereference condition that exists in the TIFFWriteDirectoryTagTransferfunction, as defined in the libtiff/tif_dirwrite.c source code file. A remote attacker can trick the victim into accessing a Tagged Image File Format (TIFF) file that submits malicious input and trigger a segmentation fault in the cpSeparateBufToContigBuf function in the tiffcp.c file, resulting in a DoS condition.

Remediation

Install update from vendor's website.

References