#VU19608 Resource exhaustion in Binutils - CVE-2019-9071

Vulnerability identifier: #VU19608

Vulnerability risk: Low

CVSSv4.0: 0.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2019-9071

CWE-ID: CWE-400

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Binutils
Universal components / Libraries / Libraries used by multiple products

Vendor: GNU

Description

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

The vulnerability exists due to an error within the d_count_templates_scopes() function in cp-demangle.c after many recursive calls in GNU libiberty, as distributed in GNU Binutils 2.32. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Binutils: 2.32

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External links
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89394
https://sourceware.org/bugzilla/show_bug.cgi?id=24227
https://support.f5.com/csp/article/K02884135

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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