Integer overflow in Binutils - CVE-2018-6543

 

Integer overflow in Binutils - CVE-2018-6543

Published: February 5, 2018


Vulnerability identifier: #VU10366
CSH Severity: Low
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-6543
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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

The weakness exists in the load_specific_debug_section function in GNU Binutilsdue to insufficient validation of user-supplied input. A remote attacker can submit a specially crafted Executable and Linkable Format (ELF) file, trigger integer overflow and cause the service to crash.

Affected software

Binutils
Gentoo Linux
Ubuntu
binutils (Alpine package)
binutils (Ubuntu package)
binutils-multiarch (Ubuntu package)
VMware Tanzu Operations Manager
Isolation Segment
VMware Tanzu Application Service for VMs
Platform Automation Toolkit

How to mitigate CVE-2018-6543

Install update from vendor's website.

binutils (Alpine package) - update to 2.30-r2
binutils (Ubuntu package) - update to Ubuntu Pro (Infra-only)
binutils-multiarch (Ubuntu package) - update to Ubuntu Pro (Infra-only)
VMware Tanzu Operations Manager - update to 2.10.65
Isolation Segment - addressed in versions 3.0.19, 4.0.11
VMware Tanzu Application Service for VMs - addressed in versions 3.0.19, 4.0.11
Platform Automation Toolkit - addressed in versions 4.0.13, 4.1.13, 4.2.8, 4.3.5

External References

Related Security Bulletins