VDB
CVE-2011-4354
CVE-2011-4354
PUBLISHED
CVSS 5.800000190734863 MEDIUM
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.
EPSS 0.21% · 43.0th percentile
Risk Scores
CVSS 2.0
5.800000190734863
EPSS Score
0.21%
43.0th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| openssl | openssl | 0.9.6, 0, 0.9.2b |
| n/a | n/a | n/a |
Timeline
- Jan 27, 2012 CVE Published
- Feb 4, 2022 EPSS Score
- Mar 29, 2022 EPSS Score
- May 20, 2022 EPSS Score
- Sep 4, 2022 EPSS Score
- Oct 26, 2022 EPSS Score
- Dec 18, 2022 EPSS Score
- Feb 9, 2023 EPSS Score
- Mar 7, 2023 EPSS Score
- Apr 2, 2023 EPSS Score
- Jul 17, 2023 EPSS Score
- Sep 7, 2023 EPSS Score
References
- http://marc.info/?t=119271238800004 technical
- http://crypto.di.uminho.pt/CACE/CT-RSA2012-openssl-src.zip url
- https://bugzilla.redhat.com/show_bug.cgi?id=757909 url
- [oss-security] 20111201 CVE-2011-4354 OpenSSL 0.9.8g (32-bit builds) bug leaks ECC private keys mailing-list
- http://eprint.iacr.org/2011/633 url
- http://rt.openssl.org/Ticket/Display.html?id=1593&user=guest&pass=guest url
- http://cvs.openssl.org/filediff?f=openssl/crypto/bn/bn_nist.c&v1=1.14&v2=1.21 url
- DSA-2390 vendor-advisory
- https://nvd.nist.gov/vuln/detail/CVE-2011-4354 advisory