CVE-2019-20367

Publication date 8 January 2020

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

nlist.c in libbsd before 0.10.0 has an out-of-bounds read during a comparison for a symbol name from the string table (strtab).

Status

Show unmaintained releases

Package	Ubuntu Release	Status
libbsd	19.10 eoan	Not affected
	19.04 disco	Fixed 0.9.1-2ubuntu0.1
	18.04 LTS bionic	Fixed 0.8.7-1ubuntu0.1
	16.04 LTS xenial	Fixed 0.8.2-1ubuntu0.1
	14.04 LTS trusty	Fixed 0.6.0-2ubuntu1+esm1 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
libbsd	Upstream: 9d917aa

Severity score breakdown

Parameter	Value
Base score	9.1 · Critical
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

References

Related Ubuntu Security Notices (USN)

USN-4243-1
libbsd vulnerabilities
20 January 2020