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HistoryAug 10, 2020 - 7:21 p.m.

[SECURITY] [DSA 4743-1] ruby-kramdown security update

2020-08-1019:21:19
lists.debian.org
31

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.5 High

AI Score

Confidence

High

0.013 Low

EPSS

Percentile

86.2%


Debian Security Advisory DSA-4743-1 [email protected]
https://www.debian.org/security/ Salvatore Bonaccorso
August 10, 2020 https://www.debian.org/security/faq


Package : ruby-kramdown
CVE ID : CVE-2020-14001
Debian Bug : 965305

A flaw was discovered in ruby-kramdown, a fast, pure ruby, Markdown
parser and converter, which could result in unintended read access to
files or unintended embedded Ruby code execution when the {::options /}
extension is used together with the 'template' option.

The Update introduces a new option 'forbidden_inline_options' to
restrict the options allowed with the {::options /} extension. By
default the 'template' option is forbidden.

For the stable distribution (buster), this problem has been fixed in
version 1.17.0-1+deb10u1.

We recommend that you upgrade your ruby-kramdown packages.

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

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

Mailing list: [email protected]

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.5 High

AI Score

Confidence

High

0.013 Low

EPSS

Percentile

86.2%