VDB-111049 · CVE-2017-17845 · DLA 1219-1

Enigmail up to 1.9.8 Random Generator Math.Random weak prng

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6.0	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Enigmail up to 1.9.8. This issue affects the function Math.Random of the component Random Generator. This manipulation causes weak prng. The identification of this vulnerability is CVE-2017-17845. It is possible to initiate the attack remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Enigmail up to 1.9.8. It has been declared as critical. Affected by this vulnerability is the function Math.Random of the component Random Generator. The manipulation with an unknown input leads to a weak prng vulnerability. The CWE definition for the vulnerability is CWE-338. The product uses a Pseudo-Random Number Generator (PRNG) in a security context, but the PRNG's algorithm is not cryptographically strong. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in Enigmail before 1.9.9. Improper Random Secret Generation occurs because Math.Random() is used by pretty Easy privacy (pEp), aka TBE-01-001.

The bug was discovered 12/22/2017. The weakness was shared 12/27/2017 (Website). The advisory is shared at enigmail.net. This vulnerability is known as CVE-2017-17845 since 12/22/2017. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1600.001 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 105430 (Debian DSA-4070-1 : enigmail - 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.

Upgrading to version 1.9.9 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 (105430). The entries VDB-111047, VDB-111048, VDB-111050 and VDB-111051 are related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

Enigmail

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.1
VulDB Meta Temp Score: 6.0

VulDB Base Score: 5.0
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.3
NVD Vector: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Weak prng
CWE: CWE-338 / CWE-331 / CWE-330
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
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: 105430
Nessus Name: Debian DSA-4070-1 : enigmail - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 54750
OpenVAS Name: Debian Security Advisory DSA 4070-1 (enigmail - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Enigmail 1.9.9

Timelineinfo

12/21/2017 🔍
12/22/2017 +1 days 🔍
12/22/2017 +0 days 🔍
12/26/2017 +4 days 🔍
12/27/2017 +1 days 🔍
12/27/2017 +0 days 🔍
12/28/2017 +1 days 🔍
01/19/2023 +1848 days 🔍

Sourcesinfo

Advisory: DLA 1219-1
Status: Not defined

CVE: CVE-2017-17845 (🔍)
GCVE (CVE): GCVE-0-2017-17845
GCVE (VulDB): GCVE-100-111049

OVAL: 🔍
See also: 🔍

Entryinfo

Created: 12/28/2017 09:39
Updated: 01/19/2023 08:30
Changes: 12/28/2017 09:39 (71), 12/18/2019 08:37 (2), 01/19/2023 08:30 (4)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.