Integer overflow in Binutils - CVE-2018-19932

 

Integer overflow in Binutils - CVE-2018-19932

Published: December 10, 2018


Vulnerability identifier: #VU16339
CSH Severity: Low
CVSS v4: 4.8 [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]
CVE-ID: CVE-2018-19932
CWE-ID: CWE-190
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

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.


Affected software

Binutils
Arch Linux
binutils-avr (Alpine package)
Dell EMC Unity Operating Environment (OE)
Dell EMC Unity VSA Operating Environment (OE)

How to mitigate CVE-2018-19932

Update to version 2.31.1.

Binutils - update to 2.31.1
Dell EMC Unity Operating Environment (OE) - update to 5.0.3.0.5.014
Dell EMC Unity VSA Operating Environment (OE) - update to 5.0.3.0.5.014

External References

Related Security Bulletins