Denial of service in GNU Binutils



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-8945
CWE-ID CWE-404
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
 Binutils
Universal components / Libraries / Libraries used by multiple products

Vendor GNU

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Improper resource shutdown

EUVDB-ID: #VU11262

Risk: Low

CVSSv4.0: 5.5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2018-8945

CWE-ID: CWE-404 - Improper Resource Shutdown or Release

Exploit availability: No

Description

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

The weakness exists in the bfd_section_from_shdr function due to improper bounds checking. A remote attacker can submit a specially crafted ELF file 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/bugzilla/show_bug.cgi?id=22809


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. However, proof of concept for this vulnerability is available.



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