SUSE update for libwmf

1) Uncontrolled memory allocation

EUVDB-ID: #VU12353

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2016-9011

CWE-ID: CWE-789 - Uncontrolled Memory Allocation

Exploit availability: No

Description

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists in the wmf_malloc function in api.c due to uncontrolled memory allocation. A remote attacker can trick the victim into opening a specially crafted wmf file, trigger memory corruption and cause the service to crash.

Mitigation

Update the affected package libwmf to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Workstation Extension: 12-SP5

SUSE Linux Enterprise Desktop: 12-SP5

SUSE Linux Enterprise Software Development Kit: 12-SP5

SUSE Linux Enterprise Server for SAP Applications: 12-SP5

SUSE Linux Enterprise Server: 12-SP5

libwmf-tools-debuginfo: before 0.2.12-243.3.1

libwmf-tools: before 0.2.12-243.3.1

libwmf-gnome-debuginfo: before 0.2.12-243.3.1

libwmf-gnome: before 0.2.12-243.3.1

libwmf-devel: before 0.2.12-243.3.1

libwmf-debugsource: before 0.2.12-243.3.1

libwmf-0_2-7-debuginfo: before 0.2.12-243.3.1

libwmf-0_2-7: before 0.2.12-243.3.1

External links

http://www.suse.com/support/update/announcement/2022/suse-su-20221560-1/

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) Double Free

EUVDB-ID: #VU17380

Risk: High

CVSSv3.1: 8.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2019-6978

CWE-ID: CWE-415 - Double Free

Exploit availability: No

Description

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

The vulnerability exists due to double free in the gdImage*Ptr() functions in gd_gif_out.c, gd_jpeg.c, and gd_wbmp.c. A remote attacker can trick the victim into opening a specially crafted input, trigger double free error 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 libwmf to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Workstation Extension: 12-SP5

SUSE Linux Enterprise Desktop: 12-SP5

SUSE Linux Enterprise Software Development Kit: 12-SP5

SUSE Linux Enterprise Server for SAP Applications: 12-SP5

SUSE Linux Enterprise Server: 12-SP5

libwmf-tools-debuginfo: before 0.2.12-243.3.1

libwmf-tools: before 0.2.12-243.3.1

libwmf-gnome-debuginfo: before 0.2.12-243.3.1

libwmf-gnome: before 0.2.12-243.3.1

libwmf-devel: before 0.2.12-243.3.1

libwmf-debugsource: before 0.2.12-243.3.1

libwmf-0_2-7-debuginfo: before 0.2.12-243.3.1

libwmf-0_2-7: before 0.2.12-243.3.1

External links

http://www.suse.com/support/update/announcement/2022/suse-su-20221560-1/

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. However, proof of concept for this vulnerability is available.