UbuntuUSN-5474-1Varnish Cache vulnerabilities
9.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
7.6 High
AI Score
Confidence
High
6.4 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:P/A:N
0.006 Low
EPSS
Percentile
78.4%
Releases
- Ubuntu 22.04 LTS
- Ubuntu 21.10
- Ubuntu 20.04 LTS
- Ubuntu 18.04 ESM
Packages
- varnish - state of the art, high-performance web accelerator
Details
It was dicovered that Varnish Cache did not clear a pointer between the
handling of one client request and the next request within the same connection.
A remote attacker could possibly use this issue to obtain sensitive
information. (CVE-2019-20637)
It was discovered that Varnish Cache could have an assertion failure when a
TLS termination proxy uses PROXY version 2. A remote attacker could possibly
use this issue to restart the daemon and cause a performance loss.
(CVE-2020-11653)
It was discovered that Varnish Cache allowed request smuggling and VCL
authorization bypass via a large Content-Length header for a POST
request. A remote attacker could possibly use this issue to obtain sensitive
information. (CVE-2021-36740)
It was discovered that Varnish Cache allowed request smuggling for HTTP/1
connections. A remote attacker could possibly use this issue to obtain
sensitive information. (CVE-2022-23959)
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Ubuntu | 22.04 | noarch | varnish | < 6.6.1-1ubuntu0.2 | UNKNOWN |
| Ubuntu | 22.04 | noarch | libvarnishapi-dev | < 6.6.1-1ubuntu0.2 | UNKNOWN |
| Ubuntu | 22.04 | noarch | libvarnishapi2 | < 6.6.1-1ubuntu0.2 | UNKNOWN |
| Ubuntu | 22.04 | noarch | libvarnishapi2-dbgsym | < 6.6.1-1ubuntu0.2 | UNKNOWN |
| Ubuntu | 22.04 | noarch | varnish-dbgsym | < 6.6.1-1ubuntu0.2 | UNKNOWN |
| Ubuntu | 22.04 | noarch | varnish-doc | < 6.6.1-1ubuntu0.2 | UNKNOWN |
| Ubuntu | 21.10 | noarch | varnish | < 6.5.2-1ubuntu0.2 | UNKNOWN |
| Ubuntu | 21.10 | noarch | libvarnishapi-dev | < 6.5.2-1ubuntu0.2 | UNKNOWN |
| Ubuntu | 21.10 | noarch | libvarnishapi2 | < 6.5.2-1ubuntu0.2 | UNKNOWN |
| Ubuntu | 21.10 | noarch | libvarnishapi2-dbgsym | < 6.5.2-1ubuntu0.2 | UNKNOWN |
Related
9.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
7.6 High
AI Score
Confidence
High
6.4 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:P/A:N
0.006 Low
EPSS
Percentile
78.4%