Denial of service in GNU Binutils



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-6323
CWE-ID CWE-190
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) Integer overflow

EUVDB-ID: #VU10319

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-2018-6323

CWE-ID: CWE-190 - Integer overflow

Exploit availability: Yes

Description

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

The weakness exists in the elf_object_p function of the elfcode.h source code in the GNU Binutils binary file descriptor library due to integer overflow condition. A remote attacker can submit a specially crafted ELF file, trigger memory corruption and cause the service to crash.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Binutils: 2.29.1

CPE2.3 External links

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=38e64b0ecc7f4ee64a02514b8d532782ac057fa2


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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