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7.2	$0-$5k	0.00

A vulnerability has been found in Randombit Botan Cryptographic Library 2.0.1 (Software Library) and classified as critical. Affected by this vulnerability is an unknown code of the component Certificate Verification. The manipulation as part of a X.509 Certificate leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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.

The bug was discovered 04/28/2017. The weakness was shared 05/24/2017 by Aleksandar Nikolic with Cisco Talos (Website). The advisory is shared at talosintelligence.com. This vulnerability is known as CVE-2017-2801 since 12/01/2016. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 99672 (Debian DLA-915-1 : botan1.10 security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 169971 (SUSE Enterprise Linux Security Update for Botan (SUSE-SU-2017:1222-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (99672). The entries 87359, 87364, 87365 and 87366 are related to this item.

Productinfo

Type

• Software Library

Vendor

• Randombit

Name

• Botan Cryptographic Library

Version

• 2.0.1

License

• open-source

CPE 2.3info

• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.2

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 6.5
CNA Vector (Talos): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 99672
Nessus Name: Debian DLA-915-1 : botan1.10 security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 53676
OpenVAS Name: Debian Security Advisory DSA 3939-1 (botan1.10 - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/01/2016 🔍
04/25/2017 +145 days 🔍
04/26/2017 +1 days 🔍
04/28/2017 +2 days 🔍
04/28/2017 +0 days 🔍
05/24/2017 +26 days 🔍
05/24/2017 +0 days 🔍
05/25/2017 +1 days 🔍
12/07/2022 +2022 days 🔍

Sourcesinfo

Advisory: talosintelligence.com
Researcher: Aleksandar Nikolic
Organization: Cisco Talos
Status: Not defined

CVE: CVE-2017-2801 (🔍)
OVAL: 🔍

SecurityFocus: 98106 - Randombit Botan CVE-2017-2801 Certificate Validation Security Bypass Vulnerability
OSVDB: - CVE-2017-2801 - Botan - Certificate Validation Bypass Issue

See also: 🔍

Entryinfo

Created: 05/25/2017 09:48
Updated: 12/07/2022 10:49
Changes: 05/25/2017 09:48 (75), 10/02/2020 18:24 (8), 12/07/2022 10:49 (14)
Complete: 🔍

Discussion

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