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ubuntucveUbuntu.comUB:CVE-2013-1624
HistoryFeb 08, 2013 - 12:00 a.m.

CVE-2013-1624

2013-02-0800:00:00
ubuntu.com
ubuntu.com
16

4 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

HIGH

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:H/Au:N/C:P/I:P/A:N

0.005 Low

EPSS

Percentile

77.3%

The TLS implementation in the Bouncy Castle Java library before 1.48 and C#
library before 1.8 does not properly consider timing side-channel attacks
on a noncompliant MAC check operation during the processing of malformed
CBC padding, which allows remote attackers to conduct distinguishing
attacks and plaintext-recovery attacks via statistical analysis of timing
data for crafted packets, a related issue to CVE-2013-0169.

Bugs

Notes

Author Note
mdeslaur list of commits may be incomplete
seth-arnold I read all diffs in crypto/tls/ directory since Lucky 13 patches, the two listed here were the only ones that looked related to this problem, the other updates were mostly for style fixes.
mdeslaur no reverse depends in main in precise+

4 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

HIGH

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:H/Au:N/C:P/I:P/A:N

0.005 Low

EPSS

Percentile

77.3%