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CVE-2016-2850

Good to know:

Date: May 13, 2016

Botan 1.11.x before 1.11.29 does not enforce TLS policy for (1) signature algorithms and (2) ECC curves, which allows remote attackers to conduct downgrade attacks via unspecified vectors.

Language: C++

Severity Score

7.5

Related Resources (6)

Url: https://nvd.nist.gov/vuln/detail/CVE-2016-2850

Url: https://security.gentoo.org/glsa/201701-23

Url: http://marc.info/?l=botan-devel&m=145852488622892&w=2

Url: http://botan.randombit.net/security.html

Url: http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183669.html

Url: https://www.mend.io/vulnerability-database/CVE-2016-2850

Severity Score

7.5

Weakness Type (CWE)

Input Validation

CWE-20

Top Fix

Upgrade Version

Upgrade to version 1.11.29

CVSS v3.1

Base Score:	7.5
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	HIGH
Availability (A):	NONE

CVSS v2

Base Score:	5.0
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	PARTIAL
Availability (A):	NONE
Additional information:

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