CVE-2015-7940GHSA-4MV7-CQ75-3QJM
The Bouncy Castle Java library before 1.51 does not validate a point is withing the elliptic curve, which makes it easier for remote attacke
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 1.51
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
The Bouncy Castle Java library before 1.51 does not validate a point is withing the elliptic curve, which makes it easier for remote attackers to obtain private keys via a series of crafted elliptic curve Diffie Hellman (ECDH) key exchanges, aka an "invalid curve attack."
Timeline
- CVE published
- Record last updated
Affected versions
- n/a n/a
Version range not reported
- org.bouncycastle:bcprov-jdk15Maven
fixed in 1.51
- org.bouncycastle:bcprov-jdk14Maven
fixed in 1.51
- org.bouncycastle:bcprov-jdk15onMaven
fixed in 1.51
References 21
rhn.redhat.com
oracle.com
- technetwork/security-advisory/cpujul2018-4258247.html
- technetwork/security-advisory/cpujan2018-3236628.html
- technetwork/security-advisory/cpujan2019-5072801.html
- technetwork/security-advisory/cpuoct2016-2881722.html
- technetwork/security-advisory/cpuoct2017-3236626.html
- technetwork/security-advisory/cpuapr2018-3678067.html
- technetwork/security-advisory/cpujul2017-3236622.html
- security-alerts/cpuapr2020.html