CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.2	$0-$5k	0.00

A vulnerability, which was classified as critical, has been found in Botan up to 1.10.9/1.11.18. This issue affects an unknown code block of the component BER Decoder. The manipulation of the argument length with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is availability. The summary by CVE is:

The BER decoder in Botan 1.10.x before 1.10.10 and 1.11.x before 1.11.19 allows remote attackers to cause a denial of service (memory consumption) via unspecified vectors, related to a length field.

The weakness was published 05/13/2016 (Website). The advisory is shared at debian.org. The identification of this vulnerability is CVE-2015-5727 since 08/04/2015. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 90286 (FreeBSD : Botan BER Decoder vulnerabilities (2004616d-f66c-11e5-b94c-001999f8d30b)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD 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 to version 1.10.10 or 1.11.19 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 (90286). Similar entries are available at 87359, 87364, 87366 and 87390.

Productinfo

Name

• Botan

Version

• 1.10.0
• 1.10.1
• 1.10.2
• 1.10.3
• 1.10.4
• 1.10.5
• 1.10.6
• 1.10.7
• 1.10.8
• 1.10.9
• 1.11.0
• 1.11.1
• 1.11.2
• 1.11.3
• 1.11.4
• 1.11.5
• 1.11.6
• 1.11.7
• 1.11.8
• 1.11.9
• 1.11.10
• 1.11.11
• 1.11.12
• 1.11.13
• 1.11.14
• 1.11.15
• 1.11.16
• 1.11.17
• 1.11.18

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: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

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: Resource management
CWE: CWE-399 / CWE-404
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: 90286
Nessus Name: FreeBSD : Botan BER Decoder vulnerabilities (2004616d-f66c-11e5-b94c-001999f8d30b)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 65235
OpenVAS Name: Mageia Linux Local Check: mgasa-2016-0102
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Botan 1.10.10/1.11.19

Timelineinfo

08/04/2015 🔍
03/31/2016 +240 days 🔍
04/01/2016 +1 days 🔍
05/13/2016 +42 days 🔍
05/13/2016 +0 days 🔍
05/16/2016 +3 days 🔍
11/26/2018 +924 days 🔍

Sourcesinfo

Advisory: debian.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-5727 (🔍)
OVAL: 🔍
See also: 🔍

Entryinfo

Created: 05/16/2016 09:38
Updated: 11/26/2018 10:04
Changes: 05/16/2016 09:38 (63), 11/26/2018 10:04 (11)
Complete: 🔍

Discussion

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