CVE-2011-4354
- State
- Published
- Severity
- Not scored
- Published
- Jan 27, 2012
- Updated
- Aug 7, 2024
- Reserved
- Nov 4, 2011
Description
crypto/bn/bn_nist.c in OpenSSL before 0.9.8h on 32-bit platforms, as used in stunnel and other products, in certain circumstances involving ECDH or ECDHE cipher suites, uses an incorrect modular reduction algorithm in its implementation of the P-256 and P-384 NIST elliptic curves, which allows remote attackers to obtain the private key of a TLS server via multiple handshake attempts.
Scores
The record has no CVSS score.
Weaknesses
The record names no weakness.
Affected Products
| Product | Versions |
|---|---|
n/an/a |
|
References
- http://crypto.di.uminho.pt/CACE/CT-RSA2012-openssl-src.zip
- https://bugzilla.redhat.com/show_bug.cgi?id=757909
- [oss-security] 20111201 CVE-2011-4354 OpenSSL 0.9.8g (32-bit builds) bug leaks ECC private keysmailing-list
- http://eprint.iacr.org/2011/633
- http://rt.openssl.org/Ticket/Display.html?id=1593&user=guest&pass=guest
- http://cvs.openssl.org/filediff?f=openssl/crypto/bn/bn_nist.c&v1=1.14&v2=1.21
- DSA-2390vendor-advisory
- http://marc.info/?t=119271238800004
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