#VU19572 Input validation error in Binutils - CVE-2019-1010204

Vulnerability identifier: #VU19572

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2019-1010204

CWE-ID: CWE-20

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 the improper processing of Executable Linkable Format (ELF) files with invalid "e_shoff" header fields in the "gold/fileread.cc:497" and "elfcpp/elfcpp_file.h:644" files. A remote attacker can trick a victim to open a specially crafted ELF file, cause an out-of-bounds read condition and perform a denial of service attack on the target system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Binutils: 2.21.0 - 2.32

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External links
https://sourceware.org/bugzilla/show_bug.cgi?id=23765

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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.