8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
6.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
0.002 Low
EPSS
Percentile
59.7%
Medium
Canonical Ubuntu
USN-5964-1 fixed several vulnerabilities in curl. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: Harry Sintonen discovered that curl incorrectly handled certain TELNET connection options. Due to lack of proper input scrubbing, curl could pass on user name and telnet options to the server as provided, contrary to expectations. (CVE-2023-27533) Harry Sintonen discovered that curl incorrectly reused certain FTP connections. This could lead to the wrong credentials being reused, contrary to expectations. (CVE-2023-27535) Harry Sintonen discovered that curl incorrectly reused connections when the GSS delegation option had been changed. This could lead to the option being reused, contrary to expectations. (CVE-2023-27536) Update Instructions: Run sudo pro fix USN-5964-2
to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: curl – 7.47.0-1ubuntu2.19+esm8 libcurl3 – 7.47.0-1ubuntu2.19+esm8 libcurl3-gnutls – 7.47.0-1ubuntu2.19+esm8 libcurl3-nss – 7.47.0-1ubuntu2.19+esm8 libcurl4-doc – 7.47.0-1ubuntu2.19+esm8 libcurl4-gnutls-dev – 7.47.0-1ubuntu2.19+esm8 libcurl4-nss-dev – 7.47.0-1ubuntu2.19+esm8 libcurl4-openssl-dev – 7.47.0-1ubuntu2.19+esm8 Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
CVEs contained in this USN include: CVE-2023-27533, CVE-2023-27535, CVE-2023-27536.
Severity is medium unless otherwise noted.
Users of affected products are strongly encouraged to follow the mitigations below. The Cloud Foundry project recommends upgrading the following releases:
2023-04-24: Initial vulnerability report published.
CPE | Name | Operator | Version |
---|---|---|---|
cf deployment | lt | 621.488 |
8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
6.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
0.002 Low
EPSS
Percentile
59.7%