Denial of service in GNU Binutils



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-6543
CWE-ID CWE-190
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Binutils
Universal components / Libraries / Libraries used by multiple products

Vendor GNU

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Integer overflow

EUVDB-ID: #VU10366

Risk: Low

CVSSv4.0: 6.6 [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/E:U/U:Clear]

CVE-ID: CVE-2018-6543

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

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.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Binutils: 2.30

CPE2.3 External links

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;a=commit;h=35f48e217ab6f909510bf9ca07325ec1...


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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