SB2024010941 - Multiple vulnerabilities in Microsoft Windows Libarchive

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Integer overflow (CVE-ID: CVE-2024-20696)

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

The vulnerability exists due to integer overflow within the rar4 reader in Libarchive. A remote user can trick a victim to open a specially crafted file and execute arbitrary code on the target system.

2) Out-of-bounds write (CVE-ID: CVE-2024-20697)

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

The vulnerability exists due to insufficient validation of user-supplied input in the Windows Libarchive. A remote attacker can trick a victim to open a specially crafted website or open a file and execute arbitrary code on the target system.

Remediation

Install update from vendor's website.

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2024-20696
• https://github.com/libarchive/libarchive/pull/2172
• https://github.com/libarchive/libarchive/releases/tag/v3.7.5
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2024-20697
• https://www.zerodayinitiative.com/advisories/ZDI-24-1696/