#VU17697 Memory corruption in elfutils - CVE-2019-7664

Vulnerability identifier: #VU17697

Vulnerability risk: Low

CVSSv4.0: 5.5 [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:P/U:Clear]

CVE-ID: CVE-2019-7664

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
elfutils
Server applications / File servers (FTP/HTTP)

Vendor: Sourceware

Description

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The vulnerability exists due to improper overflow checks by the elf_cvt_note function, as defined in the libelf/note_xlate.h source code file . A remote attacker can trick the victim into opening an Executable and Linkable Format (ELF) file that submits malicious input, trigger memory corruption and cause the affected application to crash, resulting in a DoS condition.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

elfutils: 0.175

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External links
https://sourceware.org/bugzilla/show_bug.cgi?id=24084

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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.