#VU11271 Integer overflow in Binutils - CVE-2018-7643

Vulnerability identifier: #VU11271

Vulnerability risk: Low

CVSSv4.0: 2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2018-7643

CWE-ID: CWE-190

Exploitation vector: Network

Exploit availability: No

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 display_debug_ranges function due to the improper processing of crafted ELF files that contain DWARF information. A remote attacker can trick the victim into opening a specially crafted ELF file, trigger integer overflow and cause the service to crash.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Binutils: 2.30

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External links
https://sourceware.org/bugzilla/show_bug.cgi?id=22905

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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.