Red Hat CodeReady Linux Builder 9 update for mingw-gcc

1) Uncontrolled Recursion

EUVDB-ID: #VU69349

Risk: Low

CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-46195

CWE-ID: CWE-674 - Uncontrolled Recursion

Exploit availability: No

Description

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

The vulnerability exists due to uncontrolled recursion in the libiberty/rust-demangle.c component. An attacker with ability to pass specially crafted input to the GCC application can consume excessive CPU and memory resources and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

mingw-gcc (Red Hat package): before 12.0.1-11.2.el9

External links

http://access.redhat.com/errata/RHSA-2022:8415

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.