National Vulnerability Database

National Vulnerability Database

National Vulnerability

CVE-2003-0131 Detail


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."

Source:  MITRE      Last Modified:  03/24/2003

Quick Info

CVE Dictionary Entry:
Original release date:
Last revised:


CVSS Severity (version 2.0):
CVSS v2 Base Score:
7.5 HIGH
(AV:N/AC:L/Au:N/C:P/I:P/A:P) (legend)
Impact Subscore:
Exploitability Subscore:
CVSS Version 2 Metrics:
Access Vector:
Network exploitable
Access Complexity:
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

Vendor Statements (disclaimer)

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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Hyperlink Resource Type Source Name External Source NETBSD NetBSD-SA2003-007 External Source CALDERA CSSA-2003-014.0 External Source SGI 20030501-01-I External Source CONECTIVA CLA-2003:625 Vendor Advisory External Source MISC External Source CONFIRM External Source BUGTRAQ 20030319 [OpenSSL Advisory] Klima-Pokorny-Rosa attack on PKCS #1 v1.5 padding External Source BUGTRAQ 20030324 GLSA: openssl (200303-20) External Source TRUSTIX 2003-0013 Tool Signature; US Government Resource External Source OVAL oval:org.mitre.oval:def:461 External Source DEBIAN DSA-288 External Source GENTOO GLSA-200303-20 Third Party Advisory; US Government Resource External Source CERT-VN VU#888801 External Source MISC External Source MANDRAKE MDKSA-2003:035 External Source OPENPKG OpenPKG-SA-2003.026 External Source CONFIRM External Source REDHAT RHSA-2003:101 External Source REDHAT RHSA-2003:102 External Source BUGTRAQ 20030327 Immunix Secured OS 7+ openssl update Patch; Vendor Advisory External Source BID 7148 External Source XF ssl-premaster-information-leak(11586) External Source SUSE SuSE-SA:2003:024

References to Check Content

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Technical Details

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Change History 6 change records found - show changes