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CVE-2018-1000613

Published: 9 July 2018

Legion of the Bouncy Castle Legion of the Bouncy Castle Java Cryptography APIs 1.58 up to but not including 1.60 contains a CWE-470: Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') vulnerability in XMSS/XMSS^MT private key deserialization that can result in Deserializing an XMSS/XMSS^MT private key can result in the execution of unexpected code. This attack appear to be exploitable via A handcrafted private key can include references to unexpected classes which will be picked up from the class path for the executing application. This vulnerability appears to have been fixed in 1.60 and later.

Notes

AuthorNote
debian
(XMSS/XMSS^MT algorithms were first introduced in BC >= 1.57)

Priority

Medium

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package Release Status
bouncycastle
Launchpad, Ubuntu, Debian
artful Ignored
(end of life)
bionic Needed

cosmic Not vulnerable
(1.60-1)
disco Not vulnerable
(1.60-1)
eoan Not vulnerable
(1.60-1)
focal Not vulnerable
(1.60-1)
groovy Not vulnerable
(1.60-1)
hirsute Not vulnerable
(1.60-1)
impish Not vulnerable
(1.60-1)
jammy Not vulnerable
(1.60-1)
kinetic Not vulnerable
(1.60-1)
lunar Not vulnerable
(1.60-1)
mantic Not vulnerable
(1.60-1)
noble Not vulnerable
(1.60-1)
trusty Does not exist
(trusty was not-affected [1.49+dfsg-2])
upstream
Released (1.60-1)
xenial Not vulnerable
(1.51-4ubuntu1)
Patches:
other: https://github.com/bcgit/bc-java/commit/4092ede58da51af9a21e4825fbad0d9a3ef5a223#diff-2c06e2edef41db889ee14899e12bd574
other: https://github.com/bcgit/bc-java/commit/cd98322b171b15b3f88c5ec871175147893c31e6#diff-148a6c098af0199192d6aede960f45dc

Severity score breakdown

Parameter Value
Base score 9.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H