CVE-2015-3194

Publication date 3 December 2015

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

crypto/rsa/rsa_ameth.c in OpenSSL 1.0.1 before 1.0.1q and 1.0.2 before 1.0.2e allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via an RSA PSS ASN.1 signature that lacks a mask generation function parameter.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
openssl	15.10 wily	Fixed 1.0.2d-0ubuntu1.2
	15.04 vivid	Fixed 1.0.1f-1ubuntu11.5
	14.04 LTS trusty	Fixed 1.0.1f-1ubuntu2.16
	12.04 LTS precise	Fixed 1.0.1-4ubuntu5.32
openssl098	15.10 wily	Not in release
	15.04 vivid	Not affected
	14.04 LTS trusty	Not in release
	12.04 LTS precise	Not affected

Notes

mdeslaur

1.0.1 and 1.0.2 only

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=d8541d7e9e63bf5f343af24644046c8d96498c17 Upstream: https://git.openssl.org/?p=openssl.git;a=commit;h=c394a488942387246653833359a5c94b5832674e

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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

USN-2830-1
OpenSSL vulnerabilities
7 December 2015