Denial of service in GNU Binutils



Published: 2018-10-16 | Updated: 2022-03-23
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-18309
CWE-ID CWE-119
Exploitation vector Local
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
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Binutils
Universal components / Libraries / Libraries used by multiple products

Vendor GNU

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Memory corruption

EUVDB-ID: #VU15370

Risk: Low

CVSSv3.1: 5 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2018-18309

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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

The vulnerability exists due to invalid memory address dereference in the read_relocfunction, as defined in the reloc.c source code after boundary error in the _bfd_clear_contents function. A local attacker can submit malicious input using the objdump command, trigger a segmentation fault and cause the affected application to crash.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Binutils: 2.31

External links

http://sourceware.org/bugzilla/show_bug.cgi?id=23770


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

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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