openEuler update for clamav



Published: 2024-09-14

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Out-of-bounds read

EUVDB-ID: #VU96825

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-20505

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary condition within the PDF file parser. A remote attacker can pass a specially crafted PDF file to the antivirus, trigger an out-of-bounds read error and crash the antivirus engine.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP4 - 24.03 LTS

clamav-help: before 0.103.12-1

clamav-filesystem: before 0.103.12-1

clamav-data: before 0.103.12-1

clamd: before 0.103.12-1

clamav-update: before 0.103.12-1

clamav-milter: before 0.103.12-1

clamav-devel: before 0.103.12-1

clamav-debugsource: before 0.103.12-1

clamav-debuginfo: before 0.103.12-1

clamav: before 0.103.12-1

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2024-2132


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.

2) UNIX symbolic link following

EUVDB-ID: #VU96824

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-20506

CWE-ID: CWE-61 - UNIX Symbolic Link (Symlink) Following

Exploit availability: No

Description

The vulnerability allows a local user to corrupt system files.

The vulnerability exists due to a symlink following issue within the logging module. A local user with existing access to the 'clamd' or 'freshclam' services can corrupt system files and 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

clamav-help: before 0.103.12-1

clamav-filesystem: before 0.103.12-1

clamav-data: before 0.103.12-1

clamd: before 0.103.12-1

clamav-update: before 0.103.12-1

clamav-milter: before 0.103.12-1

clamav-devel: before 0.103.12-1

clamav-debugsource: before 0.103.12-1

clamav-debuginfo: before 0.103.12-1

clamav: before 0.103.12-1

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2024-2132


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.



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