CVE-2016-1000342
High
Description
In the Bouncy Castle JCE Provider version 1.55 and earlier ECDSA does not fully validate ASN.1 encoding of signature on verification. It is possible to inject extra elements in the sequence making up the signature and still have it validate, which in some cases may allow the introduction of 'invisible' data into a signed structure.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Bouncycastle Bc-java
PublishedJun 4, 2018
First seenJun 4, 2018
How to fix
Update
- org.bouncycastle:bcprov-jdk141.56 or later
- org.bouncycastle:bcprov-jdk151.56 or later
- org.bouncycastle:bcprov-jdk15on1.56 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| bouncycastle bc-java | v ≤ 1.55 | — |
| debian debian_linux | 8.0 | — |
| org.bouncycastle:bcprov-jdk14Maven | v < 1.56 | 1.56 |
| org.bouncycastle:bcprov-jdk15Maven | v < 1.56 | 1.56 |
| org.bouncycastle:bcprov-jdk15onMaven | v < 1.56 | 1.56 |
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