National Cyber-Alert System
Vulnerability Summary for CVE-2003-0131
Original release date:03/24/2003
Last revised:09/10/2008
Source:
US-CERT/NIST
Overview
The SSL and TLS components for OpenSSL 0.9.6i and earlier, 0.9.7, and 0.9.7a allow remote attackers to perform an unauthorized RSA private key operation via a modified Bleichenbacher attack that uses a large number of SSL or TLS connections using PKCS #1 v1.5 padding that cause OpenSSL to leak information regarding the relationship between ciphertext and the associated plaintext, aka the "Klima-Pokorny-Rosa attack."
Impact
CVSS Severity (version 2.0):
Impact Subscore:
6.4
Exploitability Subscore:
10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type:Provides unauthorized access, Allows partial confidentiality, integrity, and availability violation; Allows unauthorized disclosure of information; Allows disruption of service
- Official Statement from Red Hat (03/14/2007)
-
Red Hat Enterprise Linux 5 is not vulnerable to this issue as it contains a backported patch.
References to Advisories, Solutions, and Tools
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US-CERT Vulnerability Note: VU#888801
Name: VU#888801
Type: Advisory
External Source: BID
Name: 7148
Type: Advisory; Patch Information
External Source: BUGTRAQ
Name: 20030319 [OpenSSL Advisory] Klima-Pokorny-Rosa attack on PKCS #1 v1.5 padding
Type: Advisory; Patch Information
External Source: XF
Name: ssl-premaster-information-leak(11586)
Type: Advisory
External Source: REDHAT
Name: RHSA-2003:102
External Source: REDHAT
Name: RHSA-2003:101
External Source: CONFIRM
Name: http://www.openssl.org/news/secadv_20030319.txt
External Source: SUSE
Name: SuSE-SA:2003:024
External Source: IMMUNIX
Name: IMNX-2003-7+-001-01
External Source: DEBIAN
Name: DSA-288
External Source: CONFIRM
Name: http://lists.apple.com/mhonarc/security-announce/msg00028.html
External Source: MISC
Name: http://eprint.iacr.org/2003/052/
Type: Advisory
External Source: SGI
Name: 20030501-01-I
External Source: NETBSD
Name: NetBSD-SA2003-007
External Source: SUSE
Name: SuSE-SA:2003:024
External Source: BUGTRAQ
Name: 20030327 Immunix Secured OS 7+ openssl update
External Source: OPENPKG
Name: OpenPKG-SA-2003.026
External Source: MANDRAKE
Name: MDKSA-2003:035
External Source: GENTOO
Name: GLSA-200303-20
External Source: TRUSTIX
Name: 2003-0013
External Source: BUGTRAQ
Name: 20030324 GLSA: openssl (200303-20)
External Source: CONECTIVA
Name: CLA-2003:625
External Source: CALDERA
Name: CSSA-2003-014.0
US Government Resource: oval:org.mitre.oval:def:461
Name: oval:org.mitre.oval:def:461
Type: Tool Signature