SB2021051412 - SUSE update for lz4

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Heap-based buffer overflow (CVE-ID: CVE-2019-17543)

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

The vulnerability exists due to a boundary error within the LZ4_write32 when performing archiving operation with LZ4_compress_fast. A remote attacker can pass specially crafted input to the application, trigger heap-based buffer overflow and execute arbitrary code on the target system.

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

2) Integer overflow (CVE-ID: CVE-2021-3520)

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

The vulnerability exists due to integer overflow in the fast LZ compression algorithm library. A remote attacker can pass specially crafted archive, trick the victim into opening it, trigger 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.

References

• https://www.suse.com/support/update/announcement/2021/suse-su-20211613-1/