#VU16339 Integer overflow in Binutils - CVE-2018-19932

Vulnerability identifier: #VU16339

Vulnerability risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-19932

CWE-ID: CWE-835

Exploitation vector: Local

Exploit availability: No

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

Vendor: GNU

Description

The vulnerability allows a local attacker to cause DoS condition on the target system.

The vulnerability exists due to integer overflow in the IS_CONTAINED_BY_LMAfunction, as defined in the elf.c source code file when handling malicious input. A local attacker can map a section to a segment, trigger an infinite loop condition, resulting in a DoS condition.

Mitigation
Update to version 2.31.1.

Vulnerable software versions

Binutils: 2.20.0 - 2.31

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External links
https://sourceware.org/bugzilla/show_bug.cgi?id=23932

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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.