SB2022062722 - Ubuntu update for mozjs91 

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Main Vulnerability Database SB2022062722

SB2022062722 - Ubuntu update for mozjs91

Published: June 27, 2022

Security Bulletin ID SB2022062722
Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

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

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Resource management error (CVE-ID: CVE-2022-28285)

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to usage of incorrect AliasSet when generating the assembly code for MLoadTypedArrayElementHole. A remote attacker can abuse this along with another vulnerability to perform an out-of-bounds read.


2) Buffer overflow (CVE-ID: CVE-2022-31740)

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

The vulnerability exists due to a boundary error related to register allocation problem in WASM on arm64. A remote attacker can create a specially crafted webpage, trick the victim into opening it, trigger memory corruption 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.

References