UbuntuUSN-4446-1Squid vulnerabilities
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9 High
AI Score
Confidence
High
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.018 Low
EPSS
Percentile
87.9%
Releases
- Ubuntu 18.04 ESM
- Ubuntu 16.04 ESM
Packages
- squid3 - Web proxy cache server
Details
Jeriko One discovered that Squid incorrectly handled caching certain
requests. A remote attacker could possibly use this issue to perform
cache-injection attacks or gain access to reverse proxy features such as
ESI. (CVE-2019-12520)
Jeriko One and Kristoffer Danielsson discovered that Squid incorrectly
handled certain URN requests. A remote attacker could possibly use this
issue to bypass access checks. (CVE-2019-12523)
Jeriko One discovered that Squid incorrectly handled URL decoding. A remote
attacker could possibly use this issue to bypass certain rule checks.
(CVE-2019-12524)
Jeriko One and Kristoffer Danielsson discovered that Squid incorrectly
handled input validation. A remote attacker could use this issue to cause
Squid to crash, resulting in a denial of service. (CVE-2019-18676)
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Ubuntu | 18.04 | noarch | squid | < 3.5.27-1ubuntu1.7 | UNKNOWN |
| Ubuntu | 18.04 | noarch | squid-cgi | < 3.5.27-1ubuntu1.7 | UNKNOWN |
| Ubuntu | 18.04 | noarch | squid-common | < 3.5.27-1ubuntu1.7 | UNKNOWN |
| Ubuntu | 18.04 | noarch | squid-dbg | < 3.5.27-1ubuntu1.7 | UNKNOWN |
| Ubuntu | 18.04 | noarch | squid-purge | < 3.5.27-1ubuntu1.7 | UNKNOWN |
| Ubuntu | 18.04 | noarch | squid3 | < 3.5.27-1ubuntu1.7 | UNKNOWN |
| Ubuntu | 18.04 | noarch | squidclient | < 3.5.27-1ubuntu1.7 | UNKNOWN |
| Ubuntu | 16.04 | noarch | squid | < 3.5.12-1ubuntu7.12 | UNKNOWN |
| Ubuntu | 16.04 | noarch | squid-cgi | < 3.5.12-1ubuntu7.12 | UNKNOWN |
| Ubuntu | 16.04 | noarch | squid-cgi-dbgsym | < 3.5.12-1ubuntu7.12 | UNKNOWN |
Related
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9 High
AI Score
Confidence
High
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.018 Low
EPSS
Percentile
87.9%