SUSE update for clamav

Published: 2022-05-12

Risk	High
Patch available	YES
Number of vulnerabilities	5
CVE-ID	CVE-2022-20770 CVE-2022-20771 CVE-2022-20785 CVE-2022-20792 CVE-2022-20796
CWE-ID	CWE-835 CWE-401 CWE-122 CWE-476
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	SUSE Linux Enterprise Server Operating systems & Components / Operating system SUSE Linux Enterprise High Performance Computing Operating systems & Components / Operating system SUSE Linux Enterprise Module for Basesystem Operating systems & Components / Operating system SUSE Linux Enterprise Desktop Operating systems & Components / Operating system openSUSE Leap Operating systems & Components / Operating system SUSE Manager Server Operating systems & Components / Operating system SUSE Manager Proxy Operating systems & Components / Operating system SUSE Linux Enterprise Server for SAP Applications Operating systems & Components / Operating system libfreshclam2-debuginfo Operating systems & Components / Operating system package or component libfreshclam2 Operating systems & Components / Operating system package or component libclamav9-debuginfo Operating systems & Components / Operating system package or component libclamav9 Operating systems & Components / Operating system package or component clamav-devel Operating systems & Components / Operating system package or component clamav-debugsource Operating systems & Components / Operating system package or component clamav-debuginfo Operating systems & Components / Operating system package or component clamav Operating systems & Components / Operating system package or component
Vendor	SUSE

Security Bulletin

This security bulletin contains information about 5 vulnerabilities.

1) Infinite loop

EUVDB-ID: #VU62800

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-2022-20770

CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')

Exploit availability: No

Description

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

The vulnerability exists due to infinite loop in the CHM file parser. A remote attacker can consume all available system resources and cause denial of service conditions.

Mitigation

Update the affected package clamav to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server: 15-SP3-LTSS - 15-SP4

SUSE Linux Enterprise High Performance Computing: 15-SP3-LTSS - 15-SP4

SUSE Linux Enterprise Module for Basesystem: 15-SP3 - 15-SP4

SUSE Linux Enterprise Desktop: 15-SP3 - 15-SP4

openSUSE Leap: 15.3 - 15.4

SUSE Manager Server: 4.2

SUSE Manager Proxy: 4.2

SUSE Linux Enterprise Server for SAP Applications: 15-SP3 - 15-SP4

libfreshclam2-debuginfo: before 0.103.6-150000.3.38.1

libfreshclam2: before 0.103.6-150000.3.38.1

libclamav9-debuginfo: before 0.103.6-150000.3.38.1

libclamav9: before 0.103.6-150000.3.38.1

clamav-devel: before 0.103.6-150000.3.38.1

clamav-debugsource: before 0.103.6-150000.3.38.1

clamav-debuginfo: before 0.103.6-150000.3.38.1

clamav: before 0.103.6-150000.3.38.1

External links

http://www.suse.com/support/update/announcement/2022/suse-su-20221644-1/

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) Infinite loop

EUVDB-ID: #VU62802

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-2022-20771

CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')

Exploit availability: No

Description

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

The vulnerability exists due to infinite loop in the TIFF file parser. A remote attacker can consume all available system resources and cause denial of service conditions.

Mitigation

Update the affected package clamav to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server: 15-SP3-LTSS - 15-SP4

SUSE Linux Enterprise High Performance Computing: 15-SP3-LTSS - 15-SP4

SUSE Linux Enterprise Module for Basesystem: 15-SP3 - 15-SP4

SUSE Linux Enterprise Desktop: 15-SP3 - 15-SP4

openSUSE Leap: 15.3 - 15.4

SUSE Manager Server: 4.2

SUSE Manager Proxy: 4.2

SUSE Linux Enterprise Server for SAP Applications: 15-SP3 - 15-SP4

libfreshclam2-debuginfo: before 0.103.6-150000.3.38.1

libfreshclam2: before 0.103.6-150000.3.38.1

libclamav9-debuginfo: before 0.103.6-150000.3.38.1

libclamav9: before 0.103.6-150000.3.38.1

clamav-devel: before 0.103.6-150000.3.38.1

clamav-debugsource: before 0.103.6-150000.3.38.1

clamav-debuginfo: before 0.103.6-150000.3.38.1

clamav: before 0.103.6-150000.3.38.1

External links

http://www.suse.com/support/update/announcement/2022/suse-su-20221644-1/

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.

3) Memory leak

EUVDB-ID: #VU62798

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-2022-20785

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform DoS attack on the target system.

The vulnerability exists due memory leak when parsing HTML files. A remote attacker can pass specially crafted HTML file to the antivirus software, trigger memory leak and perform denial of service attack.

Mitigation

Update the affected package clamav to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server: 15-SP3-LTSS - 15-SP4

SUSE Linux Enterprise High Performance Computing: 15-SP3-LTSS - 15-SP4

SUSE Linux Enterprise Module for Basesystem: 15-SP3 - 15-SP4

SUSE Linux Enterprise Desktop: 15-SP3 - 15-SP4

openSUSE Leap: 15.3 - 15.4

SUSE Manager Server: 4.2

SUSE Manager Proxy: 4.2

SUSE Linux Enterprise Server for SAP Applications: 15-SP3 - 15-SP4

libfreshclam2-debuginfo: before 0.103.6-150000.3.38.1

libfreshclam2: before 0.103.6-150000.3.38.1

libclamav9-debuginfo: before 0.103.6-150000.3.38.1

libclamav9: before 0.103.6-150000.3.38.1

clamav-devel: before 0.103.6-150000.3.38.1

clamav-debugsource: before 0.103.6-150000.3.38.1

clamav-debuginfo: before 0.103.6-150000.3.38.1

clamav: before 0.103.6-150000.3.38.1

External links

http://www.suse.com/support/update/announcement/2022/suse-su-20221644-1/

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.

4) Heap-based buffer overflow

EUVDB-ID: #VU62803

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-20792

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in the signature database load module. A remote attacker can pass specially crafted data to the application, trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Update the affected package clamav to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server: 15-SP3-LTSS - 15-SP4

SUSE Linux Enterprise High Performance Computing: 15-SP3-LTSS - 15-SP4

SUSE Linux Enterprise Module for Basesystem: 15-SP3 - 15-SP4

SUSE Linux Enterprise Desktop: 15-SP3 - 15-SP4

openSUSE Leap: 15.3 - 15.4

SUSE Manager Server: 4.2

SUSE Manager Proxy: 4.2

SUSE Linux Enterprise Server for SAP Applications: 15-SP3 - 15-SP4

libfreshclam2-debuginfo: before 0.103.6-150000.3.38.1

libfreshclam2: before 0.103.6-150000.3.38.1

libclamav9-debuginfo: before 0.103.6-150000.3.38.1

libclamav9: before 0.103.6-150000.3.38.1

clamav-devel: before 0.103.6-150000.3.38.1

clamav-debugsource: before 0.103.6-150000.3.38.1

clamav-debuginfo: before 0.103.6-150000.3.38.1

clamav: before 0.103.6-150000.3.38.1

External links

http://www.suse.com/support/update/announcement/2022/suse-su-20221644-1/

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.

5) NULL pointer dereference

EUVDB-ID: #VU62801

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-2022-20796

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

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

The vulnerability exists due to a NULL pointer dereference error in the scan verdict cache check. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.

Mitigation

Update the affected package clamav to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server: 15-SP3-LTSS - 15-SP4

SUSE Linux Enterprise High Performance Computing: 15-SP3-LTSS - 15-SP4

SUSE Linux Enterprise Module for Basesystem: 15-SP3 - 15-SP4

SUSE Linux Enterprise Desktop: 15-SP3 - 15-SP4

openSUSE Leap: 15.3 - 15.4

SUSE Manager Server: 4.2

SUSE Manager Proxy: 4.2

SUSE Linux Enterprise Server for SAP Applications: 15-SP3 - 15-SP4

libfreshclam2-debuginfo: before 0.103.6-150000.3.38.1

libfreshclam2: before 0.103.6-150000.3.38.1

libclamav9-debuginfo: before 0.103.6-150000.3.38.1

libclamav9: before 0.103.6-150000.3.38.1

clamav-devel: before 0.103.6-150000.3.38.1

clamav-debugsource: before 0.103.6-150000.3.38.1

clamav-debuginfo: before 0.103.6-150000.3.38.1

clamav: before 0.103.6-150000.3.38.1

External links

http://www.suse.com/support/update/announcement/2022/suse-su-20221644-1/

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.