CVE-2019-20919

Publication date 17 September 2020

Last updated 24 July 2024


Ubuntu priority

Cvss 3 Severity Score

4.7 · Medium

Score breakdown

An issue was discovered in the DBI module before 1.643 for Perl. The hv_fetch() documentation requires checking for NULL and the code does that. But, shortly thereafter, it calls SvOK(profile), causing a NULL pointer dereference.

Status

Package Ubuntu Release Status
libdbi-perl 20.04 LTS focal
Not affected
18.04 LTS bionic
Fixed 1.640-1ubuntu0.2
16.04 LTS xenial
Fixed 1.634-1ubuntu0.2
14.04 LTS trusty

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Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
libdbi-perl

Severity score breakdown

Parameter Value
Base score 4.7 · Medium
Attack vector Local
Attack complexity High
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-4534-1
    • Perl DBI module vulnerability
    • 23 September 2020

Other references