Heap-based buffer overflow in elfutils - CVE-2017-7611

 

Heap-based buffer overflow in elfutils - CVE-2017-7611

Published: June 8, 2018


Vulnerability identifier: #VU13244
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2017-7611
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Sourceware
Affected software:
elfutils

Detailed vulnerability description

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

The vulnerability exists in the check_symtab_shndx function of elfutils due to heap-based buffer overflow when handling of Executable and Linkable Format (ELF) files by the check_symtab_shndxfunction, as defined in the elflint.c source code file. A remote attacker can trick the victim into opening an Executable and Linkable Format (ELF) file that submits malicious input, trigger memory corruption and cause the application to crash.


How to mitigate CVE-2017-7611

Update to version 0.169.

Sources