Jenkins up to 2.120/LTS 2.107.2 HudsonPrivateSecurityRealm.java Control Character data processing
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.3 | $0-$5k | 0.00 |
A vulnerability, which was classified as critical, was found in Jenkins up to 2.120/LTS 2.107.2 (Continuous Integration Software). This affects an unknown code of the file HudsonPrivateSecurityRealm.java. The manipulation as part of a Control Character leads to a data processing vulnerability. CWE is classifying the issue as CWE-19. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:
A improper neutralization of control sequences vulnerability exists in Jenkins 2.120 and older, LTS 2.107.2 and older in HudsonPrivateSecurityRealm.java that allows users to sign up using user names containing control characters that can then appear to have the same name as other users, and cannot be deleted via the UI.
The bug was discovered 05/09/2018. The weakness was presented 06/05/2018 (Website). It is possible to read the advisory at jenkins.io. This vulnerability is uniquely identified as CVE-2018-1000193 since 06/05/2018. The exploitability is told to be easy. It is possible to initiate the attack remotely. A authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit.
The vulnerability was handled as a non-public zero-day exploit for at least 27 days. During that time the estimated underground price was around $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 13416 (Jenkins Multiple Security Vulnerabilities (Jenkins Security Advisory 2018-05-09)).
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
See 118982, 118984, 118985 and 118986 for similar entries.
Product
Type
Name
Version
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: 5.3VulDB Meta Temp Score: 5.3
VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 4.3
NVD Vector: 🔍
CVSSv2
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: 🔍
Exploiting
Class: Data processingCWE: CWE-19
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 |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
05/09/2018 🔍06/05/2018 🔍
06/05/2018 🔍
06/05/2018 🔍
06/06/2018 🔍
02/15/2020 🔍
Sources
Advisory: jenkins.ioStatus: Confirmed
Confirmation: 🔍
CVE: CVE-2018-1000193 (🔍)
See also: 🔍
Entry
Created: 06/06/2018 10:20Updated: 02/15/2020 09:58
Changes: 06/06/2018 10:20 (63), 02/15/2020 09:58 (2)
Complete: 🔍
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