Memory corruption in elfutils - CVE-2017-7609

 

Memory corruption in elfutils - CVE-2017-7609

Published: June 8, 2018


Vulnerability identifier: #VU13238
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-2017-7609
CWE-ID: CWE-119
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 elf_compress.c source code of elfutils due to improper validation of the zlib compression factor before the affected software allocates the output buffer. 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-2017-7609

Update to version 0.169.

Sources