SUSE update for libsolv

Published: 2021-06-28

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2019-20387 CVE-2021-3200
CWE-ID	CWE-125 CWE-20
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	SUSE OpenStack Cloud Crowbar Operating systems & Components / Operating system SUSE Linux Enterprise Software Development Kit Operating systems & Components / Operating system SUSE Linux Enterprise Server for SAP Operating systems & Components / Operating system HPE Helion Openstack Operating systems & Components / Operating system SUSE Linux Enterprise Server Operating systems & Components / Operating system SUSE OpenStack Cloud Operating systems & Components / Operating system libzypp-devel-doc Operating systems & Components / Operating system package or component libsolv-devel-debuginfo Operating systems & Components / Operating system package or component python-solv-debuginfo Operating systems & Components / Operating system package or component python-solv Operating systems & Components / Operating system package or component perl-solv-debuginfo Operating systems & Components / Operating system package or component perl-solv Operating systems & Components / Operating system package or component libzypp-devel Operating systems & Components / Operating system package or component libzypp-debugsource Operating systems & Components / Operating system package or component libzypp-debuginfo Operating systems & Components / Operating system package or component libzypp Operating systems & Components / Operating system package or component libsolv-tools-debuginfo Operating systems & Components / Operating system package or component libsolv-tools Operating systems & Components / Operating system package or component libsolv-devel Operating systems & Components / Operating system package or component libsolv-debugsource Operating systems & Components / Operating system package or component
Vendor	SUSE

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Out-of-bounds read

EUVDB-ID: #VU24490

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-2019-20387

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 heap-based buffer over-read via a last schema whose length is less than the length of the input schema. A remote attacker can perform a denial of service attack.

Mitigation

Update the affected package libsolv to the latest version.

Vulnerable software versions

SUSE OpenStack Cloud Crowbar: 8 - 9

SUSE Linux Enterprise Software Development Kit: 12-SP5

SUSE Linux Enterprise Server for SAP: 12-SP3 - 12-SP4

HPE Helion Openstack: 8

SUSE Linux Enterprise Server: 12-SP3-BCL - 12-SP5

SUSE OpenStack Cloud: 8 - 9

libzypp-devel-doc: before 16.21.4-2.51.1

libsolv-devel-debuginfo: before 0.6.37-2.33.1

python-solv-debuginfo: before 0.6.37-2.33.1

python-solv: before 0.6.37-2.33.1

perl-solv-debuginfo: before 0.6.37-2.33.1

perl-solv: before 0.6.37-2.33.1

libzypp-devel: before 16.21.4-2.51.1

libzypp-debugsource: before 16.21.4-2.51.1

libzypp-debuginfo: before 16.21.4-2.51.1

libzypp: before 16.21.4-2.51.1

libsolv-tools-debuginfo: before 0.6.37-2.33.1

libsolv-tools: before 0.6.37-2.33.1

libsolv-devel: before 0.6.37-2.33.1

libsolv-debugsource: before 0.6.37-2.33.1

External links

http://www.suse.com/support/update/announcement/2021/suse-su-20212180-1/

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) Improper input validation

EUVDB-ID: #VU62515

Risk: Low

CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-3200

CWE-ID: CWE-20 - Improper input validation