SB2024092778 - openEuler update for libpcap

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

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

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)

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)

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