Bouncy Castle JCE Provider up to 1.55 DSA Signature 7pk time and state
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
4.6 | $0-$5k | 0.00 |
A vulnerability has been found in Bouncy Castle JCE Provider up to 1.55 and classified as problematic. This vulnerability affects an unknown code of the component DSA Signature Handler. The manipulation with an unknown input leads to a 7pk time and state vulnerability. The CWE definition for the vulnerability is CWE-361. As an impact it is known to affect confidentiality. CVE summarizes:
In the Bouncy Castle JCE Provider version 1.55 and earlier DSA signature generation is vulnerable to timing attack. Where timings can be closely observed for the generation of signatures, the lack of blinding in 1.55, or earlier, may allow an attacker to gain information about the signature's k value and ultimately the private value as well.
The bug was discovered 07/07/2018. The weakness was disclosed 06/04/2018 (GitHub Repository). The advisory is available at github.com. This vulnerability was named CVE-2016-1000341 since 06/04/2018. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available.
The vulnerability scanner Nessus provides a plugin with the ID 110948 (Debian DLA-1418-1 : bouncycastle 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 171315 (OpenSUSE Security Update for bouncycastle (openSUSE-SU-2018:1689-1)).
Upgrading 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 (110948).
Product
Vendor
Name
Version
- 1.0
- 1.1
- 1.2
- 1.3
- 1.4
- 1.5
- 1.6
- 1.7
- 1.8
- 1.9
- 1.10
- 1.11
- 1.12
- 1.13
- 1.14
- 1.15
- 1.16
- 1.17
- 1.18
- 1.19
- 1.20
- 1.21
- 1.22
- 1.23
- 1.24
- 1.25
- 1.26
- 1.27
- 1.28
- 1.29
- 1.30
- 1.31
- 1.32
- 1.33
- 1.34
- 1.35
- 1.36
- 1.37
- 1.38
- 1.39
- 1.40
- 1.41
- 1.42
- 1.43
- 1.44
- 1.45
- 1.46
- 1.47
- 1.48
- 1.49
- 1.50
- 1.51
- 1.52
- 1.53
- 1.54
- 1.55
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.8VulDB Meta Temp Score: 4.6
VulDB Base Score: 3.7
VulDB Temp Score: 3.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.9
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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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: 🔍
Exploiting
Class: 7pk time and stateCWE: CWE-361
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Nessus ID: 110948
Nessus Name: Debian DLA-1418-1 : bouncycastle security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
Exposure Time: 🔍
Patch: github.com
Timeline
06/04/2018 🔍06/04/2018 🔍
06/04/2018 🔍
06/04/2018 🔍
07/07/2018 🔍
07/07/2018 🔍
07/09/2018 🔍
03/21/2023 🔍
Sources
Advisory: RHSA-2018:2669Status: Not defined
Confirmation: 🔍
CVE: CVE-2016-1000341 (🔍)
Entry
Created: 06/04/2018 21:20Updated: 03/21/2023 10:06
Changes: 06/04/2018 21:20 (71), 02/14/2020 08:28 (4), 03/21/2023 10:06 (5)
Complete: 🔍
Cache ID: 3:35C:103
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