openEuler update for libpcap



Risk High
Patch available YES
Number of vulnerabilities 3
CVE-ID CVE-2023-7256
CVE-2024-8006
CVE-2023-40400
CWE-ID CWE-415
CWE-476
CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
 openEuler
Operating systems & Components / Operating system

libpcap-help
Operating systems & Components / Operating system package or component

libpcap-devel
Operating systems & Components / Operating system package or component

libpcap-debugsource
Operating systems & Components / Operating system package or component

libpcap-debuginfo
Operating systems & Components / Operating system package or component

libpcap
Operating systems & Components / Operating system package or component

Vendor openEuler

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) Double free

EUVDB-ID: #VU96669

Risk: Low

CVSSv4.0: 1.1 [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]

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 repository.

Vulnerable software versions

openEuler: 20.03 LTS SP4 - 24.03 LTS

libpcap-help: before 1.10.1-4

libpcap-devel: before 1.10.1-4

libpcap-debugsource: before 1.10.1-4

libpcap-debuginfo: before 1.10.1-4

libpcap: before 1.10.1-4

CPE2.3 External links

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


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

Risk: Low

CVSSv4.0: 1.1 [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]

CVE-ID: CVE-2024-8006

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

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.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP4 - 24.03 LTS

libpcap-help: before 1.10.1-4

libpcap-devel: before 1.10.1-4

libpcap-debugsource: before 1.10.1-4

libpcap-debuginfo: before 1.10.1-4

libpcap: before 1.10.1-4

CPE2.3 External links

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


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.

3) Input validation error

EUVDB-ID: #VU81165

Risk: High

CVSSv4.0: 8.1 [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]

CVE-ID: CVE-2023-40400

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP4 - 24.03 LTS

libpcap-help: before 1.10.1-4

libpcap-devel: before 1.10.1-4

libpcap-debugsource: before 1.10.1-4

libpcap-debuginfo: before 1.10.1-4

libpcap: before 1.10.1-4

CPE2.3 External links

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


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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