#VU109675 Buffer overflow in The GNU Project Debugger (GDB) - CVE-2019-1010180

Vulnerability identifier: #VU109675

Vulnerability risk: High

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2019-1010180

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
The GNU Project Debugger (GDB)
Other software / Other software solutions

Vendor: GNU

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing ELF files. A remote attacker can create a specially crafted file, trick the victim into opening it with a debugger, trigger memory corruption and execute arbitrary code on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

The GNU Project Debugger (GDB): 5.2.1 - 8.3.1

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External links
https://sourceware.org/bugzilla/show_bug.cgi?id=23657
https://lists.opensuse.org/opensuse-security-announce/2019-10/msg00072.html
https://lists.opensuse.org/opensuse-security-announce/2019-11/msg00008.html
https://lists.opensuse.org/opensuse-security-announce/2019-11/msg00029.html
https://lists.opensuse.org/opensuse-security-announce/2019-11/msg00028.html
https://security.gentoo.org/glsa/202003-31

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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.