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CVE-2003-0078

CVE information

Published

21 years ago

Last Modified

2 months ago

CVSSv2.0 Severity

Medium

Impact Analysis

Share

Description

ssl3_get_record in s3_pkt.c for OpenSSL before 0.9.7a and 0.9.6 before 0.9.6i does not perform a MAC computation if an incorrect block cipher padding is used, which causes an information leak (timing discrepancy) that may make it easier to launch cryptographic attacks that rely on distinguishing between padding and MAC verification errors, possibly leading to extraction of the original plaintext, aka the "Vaudenay timing attack.".

CVSSv2.0 Score

Severity
Medium
Base Score
5/10
Exploit Score
10/10
Access Vector
Network
Access Complexity
Low
Authentication Required
None
Impact Score
2.9/10
Confidentiality Impact
Partial
Availability Impact
None
Integrity Impact
None

Products Affected

CPE Affected Vulnerable Excluding Edit
cpe:2.3:a:openssl:openssl:0.9.7:beta5:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openssl:openssl:0.9.7:beta3:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openssl:openssl:0.9.7:beta6:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openssl:openssl:0.9.6i:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openssl:openssl:0.9.7:beta2:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openssl:openssl:0.9.7:beta4:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openssl:openssl:0.9.7:beta1:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*
  Yes
- 0.9.6i
cpe:2.3:a:openssl:openssl:0.9.7:-:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:openbsd:openbsd:3.1:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:freebsd:freebsd:4.5:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:freebsd:freebsd:4.7:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:freebsd:freebsd:4.4:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:openbsd:openbsd:3.2:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:freebsd:freebsd:4.2:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:freebsd:freebsd:4.6:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:freebsd:freebsd:4.3:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:freebsd:freebsd:5.0:*:*:*:*:*:*:*
  Yes
- -

References