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HistoryNov 05, 2020 - 10:54 a.m.

[SECURITY] [DLA 2433-1] bouncycastle security update

2020-11-0510:54:47
lists.debian.org
17
bouncycastle
security update
cve-2020-26939
debian 9
stretch
sensitive information

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

5.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

AI Score

5.5

Confidence

High

EPSS

0.001

Percentile

36.2%


Debian LTS Advisory DLA-2433-1 [email protected]
https://www.debian.org/lts/security/ Chris Lamb
November 05, 2020 https://wiki.debian.org/LTS


Package : bouncycastle
Version : 1.56-1+deb9u3
CVE ID : CVE-2020-26939

It was discovered that there was an issue in the bouncycastle crypto
library where attackers could obtain sensitive information due to
observable differences in its response to invalid input.

For Debian 9 "Stretch", this problem has been fixed in version
1.56-1+deb9u3.

We recommend that you upgrade your bouncycastle packages.

For the detailed security status of bouncycastle please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/bouncycastle

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

5.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

AI Score

5.5

Confidence

High

EPSS

0.001

Percentile

36.2%