CVE-2019-20919

Publication date 17 September 2020

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

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

Show unmaintained releases

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	Fixed 1.630-1ubuntu0.1~esm5 Ubuntu Pro

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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	Upstream: eca7d7c

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