PT-2018-2664 · Opensuse+4 · Libsolv+4

Jrohel · Published 2018-12-28 · Updated 2024-06-15 · CVE-2018-20532

Positive Technologies (AI Summary)

CVSS v2.0

7.1

High

Base vector

AV:N/AC:M/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions libsolv versions prior to 0.7.3

Description The issue is related to a NULL pointer dereference in the testcase read function of the libsolv library. This can cause a denial of service. The exploitation of this issue may allow a remote attacker to cause a service disruption.

Recommendations For versions prior to 0.7.3, update to version 0.7.3 or later to resolve the issue. As a temporary workaround, consider restricting access to the testcase read function until a patch is available.

Exploit

Fix

DoS

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

BDU:2019-01296

CESA-2019_2290

CVE-2018-20532

OPENSUSE-SU-2019:1927-1

OPENSUSE-SU-2019_1927-1

OPENSUSE-SU-2024:10993-1

RHSA-2019:2290

RHSA-2019_2290

SUSE-RU-2019:2742-1

SUSE-SU-2019:1972-1

SUSE-SU-2019:2030-1

SUSE-SU-2019:2265-1

SUSE-SU-2019_1972-1

SUSE-SU-2019_2030-1

SUSE-SU-2019_2265-1

SUSE-SU-2020:2660-1

SUSE-SU-2020_2660-1

USN-3916-1

USN-4851-1

Affected Products

Centos

Red Hat

Suse

Ubuntu

Libsolv

References · 95

• 🔥 https://bugzilla.redhat.com/show_bug.cgi?id=1652605 · Exploit
• https://github.com/openSUSE/libsolv/pull/291 · Patch
• https://usn.ubuntu.com/3916-1 · Vendor Advisory
• http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00057.html · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-20534 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2020:2660-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2018-20532 · Vendor Advisory
• https://osv.dev/vulnerability/USN-4851-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-20532 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2019:2030-1 · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2019-2290.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-20532 · Security Note
• https://cve.org/CVERecord?id=CVE-2018-20532 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2024:10993-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2019:1972-1 · Vendor Advisory