SB2024092778 - openEuler update for libpcap

Description

This security bulletin contains information about 3 vulnerabilities.

1) Double free (CVE-ID: CVE-2023-7256)

CWE-ID: CWE-415 - Double Free

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear

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.

2) NULL pointer dereference (CVE-ID: CVE-2024-8006)

CWE-ID: CWE-476 - NULL Pointer Dereference

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error within the pcap_findalldevs_ex() function in pcap.c. A local user can perform a denial of service (DoS) attack.

3) Input validation error (CVE-ID: CVE-2023-40400)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to insufficient validation of user-supplied input in libpcap. A remote attacker can pass specially crafted input to the system and execute arbitrary code on the system.

Remediation

Install update from vendor's website.

References

• https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2024-2180