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CVE-2015-3194

Published: 3 December 2015

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.

Notes

AuthorNote
mdeslaur
1.0.1 and 1.0.2 only

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
openssl
Launchpad, Ubuntu, Debian
precise
Released (1.0.1-4ubuntu5.32)
trusty
Released (1.0.1f-1ubuntu2.16)
upstream
Released (1.0.2e,1.0.1q)
vivid
Released (1.0.1f-1ubuntu11.5)
wily
Released (1.0.2d-0ubuntu1.2)
Patches:
upstream: https://git.openssl.org/?p=openssl.git;a=commit;h=d8541d7e9e63bf5f343af24644046c8d96498c17
upstream: https://git.openssl.org/?p=openssl.git;a=commit;h=c394a488942387246653833359a5c94b5832674e
openssl098
Launchpad, Ubuntu, Debian
precise Not vulnerable

trusty Does not exist
(trusty was not-affected)
upstream Not vulnerable

vivid Not vulnerable

wily Does not exist

Severity score breakdown

Parameter Value
Base score 7.5
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