UbuntuUSN-5312-1HAProxy vulnerability
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.7 High
AI Score
Confidence
High
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.107 Low
EPSS
Percentile
95.0%
Releases
- Ubuntu 21.10
- Ubuntu 20.04 LTS
Packages
- haproxy - fast and reliable load balancing reverse proxy
Details
It was discovered that HAProxy incorrectly handled certain headers. A
remote attacker could possibly use this issue to cause HAProxy to stop
responding, resulting in a denial of service.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Ubuntu | 21.10 | noarch | haproxy | < 2.2.9-2ubuntu2.1 | UNKNOWN |
| Ubuntu | 21.10 | noarch | haproxy-dbgsym | < 2.2.9-2ubuntu2.1 | UNKNOWN |
| Ubuntu | 21.10 | noarch | haproxy-doc | < 2.2.9-2ubuntu2.1 | UNKNOWN |
| Ubuntu | 21.10 | noarch | vim-haproxy | < 2.2.9-2ubuntu2.1 | UNKNOWN |
| Ubuntu | 20.04 | noarch | haproxy | < 2.0.13-2ubuntu0.5 | UNKNOWN |
| Ubuntu | 20.04 | noarch | haproxy-dbgsym | < 2.0.13-2ubuntu0.5 | UNKNOWN |
| Ubuntu | 20.04 | noarch | haproxy-doc | < 2.0.13-2ubuntu0.5 | UNKNOWN |
| Ubuntu | 20.04 | noarch | vim-haproxy | < 2.0.13-2ubuntu0.5 | UNKNOWN |
References
Related
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.7 High
AI Score
Confidence
High
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.107 Low
EPSS
Percentile
95.0%