CVE - CVE-2011-4354

CVE-ID
CVE-2011-4354	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
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.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MLIST:[oss-security] 20111201 CVE-2011-4354 OpenSSL 0.9.8g (32-bit builds) bug leaks ECC private keys URL:http://openwall.com/lists/oss-security/2011/12/01/6 MISC:http://crypto.di.uminho.pt/CACE/CT-RSA2012-openssl-src.zip MISC:http://eprint.iacr.org/2011/633 CONFIRM:http://cvs.openssl.org/filediff?f=openssl/crypto/bn/bn_nist.c&v1=1.14&v2=1.21 CONFIRM:http://marc.info/?t=119271238800004 CONFIRM:http://rt.openssl.org/Ticket/Display.html?id=1593&user=guest&pass=guest CONFIRM:https://bugzilla.redhat.com/show_bug.cgi?id=757909 DEBIAN:DSA-2390 URL:http://www.debian.org/security/2012/dsa-2390
Assigning CNA
N/A
Date Entry Created
20111104	Disclaimer: The entry creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20111104)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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