UbuntuUSN-4321-1HAProxy vulnerability
8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
9.1 High
AI Score
Confidence
High
6.5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:P/I:P/A:P
0.028 Low
EPSS
Percentile
90.5%
Releases
- Ubuntu 19.10
- Ubuntu 18.04 ESM
Packages
- haproxy - fast and reliable load balancing reverse proxy
Details
Felix Wilhelm discovered that HAProxy incorrectly handled certain HTTP/2 requests.
An attacker could possibly use this to execute arbitrary code.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Ubuntu | 19.10 | noarch | haproxy | < 2.0.5-1ubuntu0.4 | UNKNOWN |
| Ubuntu | 19.10 | noarch | haproxy-dbgsym | < 2.0.5-1ubuntu0.4 | UNKNOWN |
| Ubuntu | 19.10 | noarch | haproxy-doc | < 2.0.5-1ubuntu0.4 | UNKNOWN |
| Ubuntu | 19.10 | noarch | vim-haproxy | < 2.0.5-1ubuntu0.4 | UNKNOWN |
| Ubuntu | 18.04 | noarch | haproxy | < 1.8.8-1ubuntu0.10 | UNKNOWN |
| Ubuntu | 18.04 | noarch | haproxy-dbgsym | < 1.8.8-1ubuntu0.10 | UNKNOWN |
| Ubuntu | 18.04 | noarch | haproxy-doc | < 1.8.8-1ubuntu0.10 | UNKNOWN |
| Ubuntu | 18.04 | noarch | vim-haproxy | < 1.8.8-1ubuntu0.10 | UNKNOWN |
References
Related
8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
9.1 High
AI Score
Confidence
High
6.5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:P/I:P/A:P
0.028 Low
EPSS
Percentile
90.5%