National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2018-20534 Detail

Current Description

** DISPUTED ** There is an illegal address access at ext/testcase.c in libsolv.a in libsolv through 0.7.2 that will cause a denial of service. NOTE: third parties dispute this issue stating that the issue affects the test suite and not the underlying library. It cannot be exploited in any real-world application.

Source:  MITRE
Description Last Modified:  04/09/2019
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 6.5 MEDIUM
Vector: AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H (V3 legend)
Impact Score: 3.6
Exploitability Score: 2.8


Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 4.3 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 8.6


Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Partial
Additional Information:
Victim must voluntarily interact with attack mechanism
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://bugzilla.redhat.com/show_bug.cgi?id=1652604 Exploit Issue Tracking Third Party Advisory
https://bugzilla.suse.com/show_bug.cgi?id=1120631 Issue Tracking Third Party Advisory
https://github.com/openSUSE/libsolv/pull/291 Patch Third Party Advisory
https://usn.ubuntu.com/3916-1/ Third Party Advisory

Technical Details

Vulnerability Type (View All)

  • Resource Management Errors (CWE-399)

Known Affected Software Configurations Switch to CPE 2.3

Configuration 1 ( hide )
 cpe:/a:opensuse:libsolv
     Show Matching CPE(s)
Up to (including)
0.7.2

Configuration 2 ( hide )
 cpe:/o:canonical:ubuntu_linux:18.10
     Show Matching CPE(s)


Change History

5 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-20534
NVD Published Date:
12/28/2018
NVD Last Modified:
04/16/2019