#VU17114 NULL pointer dereference in Binutils - CVE-2018-10373

Vulnerability identifier: #VU17114

Vulnerability risk: Low

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-10373

CWE-ID: CWE-476

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 perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in the concat_filename in dwarf2.c in the Binary File Descriptor (BFD) library. A remote attacker can trigger denial of service conditions via a specially crafted binary file, as demonstrated by nm-new.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Binutils: 2.30

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External links
https://www.securityfocus.com/bid/104000
https://access.redhat.com/errata/RHSA-2018:3032
https://sourceware.org/bugzilla/show_bug.cgi?id=23065

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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.