Vulnerability identifier: #VU11088

Vulnerability risk: Low

CVSSv3.1: 3.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C]

CVE-ID: CVE-2018-7570

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 cause DoS condition on the target system.

The weakness exists in the assign_file_positions_for_non_load_sections function due to the improper processing of crafted Executable and Linkable Format (ELF) files that contain a RELRO segment that lacks a matching LOAD segment. A remote attacker can send a specially crafted ELF file, trick the victim into opening it, trigger NULL pointer dereference 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
http://sourceware.org/bugzilla/show_bug.cgi?id=22881

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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.