Multiple vulnerabilities in libpcap

Published: 2024-09-02

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2023-7256 CVE-2024-8006
CWE-ID	CWE-415 CWE-476
Exploitation vector	Local
Public exploit	N/A
Vulnerable software Subscribe	libpcap Universal components / Libraries / Libraries used by multiple products
Vendor	Tcpdump.org

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Double free

EUVDB-ID: #VU96669

Risk: Low

CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-7256

CWE-ID: CWE-415 - Double Free

Exploit availability: No

Description

The vulnerability allows a local user to crash the application.

The vulnerability exists due to a boundary error when configure for emote packet capture. A local user can trigger a double free error and crash the application.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

libpcap: 1.0.0 - 1.10.4

CPE2.3

External links

http://github.com/the-tcpdump-group/libpcap/commit/262e4f34979872d822ccedf9f318ed89c4d31c03
http://github.com/the-tcpdump-group/libpcap/commit/2aa69b04d8173b18a0e3492e0c8f2f7fabdf642d

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) NULL pointer dereference

EUVDB-ID: #VU96667