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CVE-2019-1563

Published: 10 September 2019

In situations where an attacker receives automated notification of the success or failure of a decryption attempt an attacker, after sending a very large number of messages to be decrypted, can recover a CMS/PKCS7 transported encryption key or decrypt any RSA encrypted message that was encrypted with the public RSA key, using a Bleichenbacher padding oracle attack. Applications are not affected if they use a certificate together with the private RSA key to the CMS_decrypt or PKCS7_decrypt functions to select the correct recipient info to decrypt. Fixed in OpenSSL 1.1.1d (Affected 1.1.1-1.1.1c). Fixed in OpenSSL 1.1.0l (Affected 1.1.0-1.1.0k). Fixed in OpenSSL 1.0.2t (Affected 1.0.2-1.0.2s).

Priority

Low

Cvss 3 Severity Score

3.7

Score breakdown

Status

Package Release Status
openssl
Launchpad, Ubuntu, Debian
impish
Released (1.1.1d-2ubuntu1)
kinetic
Released (1.1.1d-2ubuntu1)
lunar
Released (1.1.1d-2ubuntu1)
bionic
Released (1.1.1-1ubuntu2.1~18.04.6)
disco Ignored
(end of life)
eoan
Released (1.1.1c-1ubuntu4.1)
focal
Released (1.1.1d-2ubuntu1)
groovy
Released (1.1.1d-2ubuntu1)
hirsute
Released (1.1.1d-2ubuntu1)
jammy
Released (1.1.1d-2ubuntu1)
trusty
Released (1.0.1f-1ubuntu2.27+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
upstream
Released (1.1.1d)
xenial
Released (1.0.2g-1ubuntu4.16)
mantic
Released (1.1.1d-2ubuntu1)
Patches:
upstream: https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=08229ad838c50f644d7e928e2eef147b4308ad64 (1.1.1)
upstream: https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=eb1ec38b266340710cb97c90b08fc90edd06262c (regression test)
upstream: https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=631f94db0065c78181ca9ba5546ebc8bb3884b97 (1.1.0)
upstream: https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=e21f8cf78a125cd3c8c0d1a1a6c8bb0b901f893f (1.0.2)
openssl1.0
Launchpad, Ubuntu, Debian
impish Does not exist

hirsute Does not exist

bionic
Released (1.0.2n-1ubuntu5.4)
disco Does not exist

eoan Does not exist

focal Does not exist

trusty Does not exist

upstream Needs triage

lunar Does not exist

groovy Does not exist

jammy Does not exist

kinetic Does not exist

xenial Does not exist

mantic Does not exist

edk2
Launchpad, Ubuntu, Debian
impish Not vulnerable
(0~20191122.bd85bf54-2)
bionic Needed

disco Ignored
(end of life)
eoan Ignored
(end of life)
focal Not vulnerable
(0~20191122.bd85bf54-2)
trusty Does not exist

upstream Needs triage

xenial Needed

lunar Not vulnerable
(0~20191122.bd85bf54-2)
groovy Not vulnerable
(0~20191122.bd85bf54-2)
hirsute Not vulnerable
(0~20191122.bd85bf54-2)
jammy Not vulnerable
(0~20191122.bd85bf54-2)
kinetic Not vulnerable
(0~20191122.bd85bf54-2)
mantic Not vulnerable
(0~20191122.bd85bf54-2)
nodejs
Launchpad, Ubuntu, Debian
impish Not vulnerable
(uses system openssl1.1)
bionic Not vulnerable
(uses system openssl1.0)
disco Not vulnerable
(uses system openssl1.1)
eoan Not vulnerable
(uses system openssl1.1)
focal Not vulnerable
(uses system openssl1.1)
trusty Not vulnerable
(uses system openssl)
upstream Needs triage

xenial Not vulnerable
(uses system openssl)
lunar Not vulnerable
(uses system openssl1.1)
groovy Not vulnerable
(uses system openssl1.1)
hirsute Not vulnerable
(uses system openssl1.1)
jammy Needed

kinetic Not vulnerable
(uses system openssl1.1)
mantic Not vulnerable
(uses system openssl1.1)

Severity score breakdown

Parameter Value
Base score 3.7
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Scope Unchanged
Confidentiality Low
Integrity impact None
Availability impact None
Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N