Unscored severity · published Nov 9, 2015
CVE-2015-7940
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…
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CVSS
4.7%
EPSS
No
On KEV
Description
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."
Exploitation
Is it being used?
Exploit prediction (EPSS)4.7% · higher than 92% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AT
Application Testing Suite · Oracle
12.5.0.1; 12.5.0.2; 12.5.0.3 · source: NVD
BC
Bouncy Castle Crypto Package · Bouncycastle
through 1.50 · source: NVD
EM
Enterprise Manager Ops Center · Oracle
12.1.4; 12.2.2 · source: NVD
LE
Leap · Opensuse
42.1 · source: NVD
OP
Opensuse · Opensuse
13.1; 13.2 · source: NVD
PE
Peoplesoft Enterprise Peopletools · Oracle
8.54; 8.55 · source: NVD
VD
Virtual Desktop Infrastructure · Oracle
3.5.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2015-7940
CVE.org
https://www.cve.org/CVERecord?id=CVE-2015-7940
lists.fedoraproject.org
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/174915.html
Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00012.html
rhn.redhat.com
http://rhn.redhat.com/errata/RHSA-2016-2035.html
rhn.redhat.com
http://rhn.redhat.com/errata/RHSA-2016-2036.html
Technical Description
http://web-in-security.blogspot.ca/2015/09/practical-invalid-curve-attacks.html
www.debian.org
http://www.debian.org/security/2015/dsa-3417
More from Bouncy Castle Crypto Package
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CVE-2007-6721
The Legion of the Bouncy Castle Java Cryptography API before release 1.38, as used in Crypto Provider Package before 1.36, has unknown impact and remote attack vectors related to…