SB2020120726 - Buffer overflow in LibTIFF in BIG-IP AAM

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Main Vulnerability Database SB2020120726

SB2020120726 - Buffer overflow in LibTIFF in BIG-IP AAM

Published: December 7, 2020 Updated: December 17, 2020

Security Bulletin ID SB2020120726
Severity
High
Patch available
NO
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Out-of-bounds write (CVE-ID: CVE-2018-18557)

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

The vulnerability exists due to decoding of arbitrarily-sized JBIG into a buffer, ignoring the buffer size. A remote unauthenticated attacker can supply specially crafted input, trigger a tif_jbig.c JBIGDecode out-of-bounds write and execute arbitrary code with elevated privileges.

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


Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.

References