Botan up to 1.10.7/1.11.8 Miller-Rabin Primality Check cryptographic issue

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Botan up to 1.10.7/1.11.8. This affects an unknown function of the component Miller-Rabin Primality Check. The manipulation leads to cryptographic issue. This vulnerability is traded as CVE-2014-9742. It is possible to initiate the attack remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Botan up to 1.10.7/1.11.8 and classified as critical. This issue affects some unknown processing of the component Miller-Rabin Primality Check. The manipulation with an unknown input leads to a cryptographic issue vulnerability. Using CWE to declare the problem leads to CWE-310. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The Miller-Rabin primality check in Botan before 1.10.8 and 1.11.x before 1.11.9 improperly uses a single random base, which makes it easier for remote attackers to defeat cryptographic protection mechanisms via a DH group.

The weakness was shared 05/13/2016 (Website). It is possible to read the advisory at marc.info. The identification of this vulnerability is CVE-2014-9742 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. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1600 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 91583 (FreeBSD : botan -- cryptographic vulnerability (f771880c-31cf-11e6-8e82-002590263bf5)), 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 1.10.8 or 1.11.9 eliminates this vulnerability. A possible mitigation has been published 2 months after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (91583). The entries VDB-87364, VDB-87365, VDB-87366 and VDB-87390 are related to this item. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

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

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Cryptographic issue
CWE: CWE-310
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 91583
Nessus Name: FreeBSD : botan -- cryptographic vulnerability (f771880c-31cf-11e6-8e82-002590263bf5)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Botan 1.10.8/1.11.9

Timelineinfo

08/04/2015 🔍
05/13/2016 +283 days 🔍
05/13/2016 +0 days 🔍
05/16/2016 +3 days 🔍
06/14/2016 +29 days 🔍
06/14/2016 +0 days 🔍
11/25/2018 +894 days 🔍

Sourcesinfo

Advisory: marc.info
Status: Not defined
Confirmation: 🔍

CVE: CVE-2014-9742 (🔍)
GCVE (CVE): GCVE-0-2014-9742
GCVE (VulDB): GCVE-100-87359
See also: 🔍

Entryinfo

Created: 05/16/2016 09:37
Updated: 11/25/2018 10:04
Changes: 05/16/2016 09:37 (60), 11/25/2018 10:04 (11)
Complete: 🔍
Cache ID: 216:0BF:103

Be aware that VulDB is the high quality source for vulnerability data.

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