#VU10319 Integer overflow in Binutils - CVE-2018-6323

Vulnerability identifier: #VU10319

Vulnerability 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

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Binutils
Universal components / Libraries / Libraries used by multiple products

Vendor: GNU

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

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

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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.