Vulnerabilities
Misconfiguration
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CVE Vulnerabilities

CVE-2018-20532

NULL Pointer Dereference

Published: Dec 28, 2018 | Modified: Nov 21, 2024
CVSS 3.x
6.5
MEDIUM
Source:
NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 2.x
4.3 MEDIUM
AV:N/AC:M/Au:N/C:N/I:N/A:P
RedHat/V2
RedHat/V3
3.3 LOW
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Ubuntu
MEDIUM
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2018-20532
CWEhttps://cwe.mitre.org/data/definitions/476.html

There is a NULL pointer dereference at ext/testcase.c (function testcase_read) in libsolvext.a in libsolv through 0.7.2 that will cause a denial of service.

Weakness

The product dereferences a pointer that it expects to be valid but is NULL.

Affected Software

Name Vendor Start Version End Version
Libsolv Opensuse * 0.7.2 (including)
Red Hat Enterprise Linux 7 RedHat libsolv-0:0.6.34-4.el7 *
Libsolv Ubuntu bionic *
Libsolv Ubuntu cosmic *
Libsolv Ubuntu devel *
Libsolv Ubuntu disco *
Libsolv Ubuntu eoan *
Libsolv Ubuntu esm-apps/bionic *
Libsolv Ubuntu esm-apps/focal *
Libsolv Ubuntu esm-apps/jammy *
Libsolv Ubuntu esm-apps/xenial *
Libsolv Ubuntu focal *
Libsolv Ubuntu groovy *
Libsolv Ubuntu hirsute *
Libsolv Ubuntu impish *
Libsolv Ubuntu jammy *
Libsolv Ubuntu kinetic *
Libsolv Ubuntu lunar *
Libsolv Ubuntu upstream *
Libsolv Ubuntu xenial *

Potential Mitigations

References

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