Heap-based buffer overflow in Libdwarf



Published: 2022-06-02
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-32200
CWE-ID CWE-122
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		libdwarf
Universal components / Libraries / Libraries used by multiple products

Vendor David Anderson

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Heap-based buffer overflow

EUVDB-ID: #VU63946

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-32200

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error in _dwarf_check_string_valid in dwarf_util.c. A remote attacker can trick a victim to open a specially crafted file, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

libdwarf: 0.4.0

CPE2.3 External links

http://github.com/davea42/libdwarf-code/commit/8151575a6ace77d005ca5bb5d71c1bfdba3f7069
http://github.com/davea42/libdwarf-code/issues/116


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.



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