SB2021062427 - SUSE update for openexr

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Resource exhaustion (CVE-ID: CVE-2021-3479)

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

The vulnerability exists due to application does not properly control consumption of internal resources within the Scanline API functionality. A remote attacker can use a specially crafted file, trigger resource exhaustion and perform a denial of service (DoS) attack.

2) Heap-based buffer overflow (CVE-ID: CVE-2021-3598)

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

The vulnerability exists due to a boundary error within the readChars() function in ImfIO.h. A remote attacker can pass specially crafted data 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.

3) Heap-based buffer overflow (CVE-ID: CVE-2021-3605)

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

The vulnerability exists due to a boundary error within the rleUncompress function in ImfRle.cpp. A remote attacker can pass specially crafted data 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.

Remediation

Install update from vendor's website.

References

• https://www.suse.com/support/update/announcement/2021/suse-su-20212159-1/