CVE-2016-0798

Publication date 1 March 2016

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

Memory leak in the SRP_VBASE_get_by_user implementation in OpenSSL 1.0.1 before 1.0.1s and 1.0.2 before 1.0.2g allows remote attackers to cause a denial of service (memory consumption) by providing an invalid username in a connection attempt, related to apps/s_server.c and crypto/srp/srp_vfy.c.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
openssl	16.04 LTS xenial	Fixed 1.0.2g-1ubuntu2
	15.10 wily	Fixed 1.0.2d-0ubuntu1.4
	14.04 LTS trusty	Fixed 1.0.1f-1ubuntu2.18
	12.04 LTS precise	Fixed 1.0.1-4ubuntu5.35
openssl098	16.04 LTS xenial	Not in release
	15.10 wily	Not in release
	14.04 LTS trusty	Not in release
	12.04 LTS precise	Not affected

Patch details

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

Package	Patch details
openssl	Upstream: https://git.openssl.org/?p=openssl.git;a=commit;h=59a908f1e8380412a81392c468b83bf6071beb2a Upstream: https://git.openssl.org/?p=openssl.git;a=commit;h=259b664f950c2ba66fbf4b0fe5281327904ead21

Severity score breakdown

Parameter	Value
Base score	7.5 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

USN-2914-1
OpenSSL vulnerabilities
1 March 2016