CVE-2017-2801

Publication date 24 May 2017

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

A programming error exists in a way Randombit Botan cryptographic library version 2.0.1 implements x500 string comparisons which could lead to certificate verification issues and abuse. A specially crafted X509 certificate would need to be delivered to the client or server application in order to trigger this vulnerability.

From the Ubuntu Security Team

It was discovered that Botan did not properly manage x509 DN strings comparisons when provided with a specially crafted X509 certificate. An attacker could possibly use this issue to cause out of bound reads, resulting in information leakage, denial of service, or potentially incorrect certificate validation results.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
botan1.10	24.10 oracular	Not in release
	24.04 LTS noble	Not in release
	23.10 mantic	Not in release
	22.04 LTS jammy	Not in release
	21.10 impish	Not in release
	21.04 hirsute	Not in release
	20.10 groovy	Not in release
	20.04 LTS focal	Not in release
	19.10 eoan	Not in release
	19.04 disco	Not in release
	18.10 cosmic	Not affected
	18.04 LTS bionic	Not affected
	17.10 artful	Not affected
	17.04 zesty	Ignored end of life
	16.10 yakkety	Ignored end of life
	16.04 LTS xenial	Vulnerable
	14.04 LTS trusty	Fixed 1.10.5-1+deb7u1ubuntu0.14.04.1+esm1 Ubuntu Pro
	12.04 LTS precise	Ignored end of life

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Severity score breakdown

Parameter	Value
Base score	9.8 · Critical
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H