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
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
0.005 Low
EPSS
Percentile
76.5%
Medium
Canonical Ubuntu
USN-5638-1 fixed a vulnerability in Expat. This update provides the corresponding updates for Ubuntu 16.04 ESM, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS and Ubuntu 22.10. (CVE-2022-43680) This update also fixes a minor regression introduced in Ubuntu 18.04 LTS. We apologize for the inconvenience. Original advisory details: Rhodri James discovered that Expat incorrectly handled memory when processing certain malformed XML files. An attacker could possibly use this issue to cause a crash or execute arbitrary code. Update Instructions: Run sudo pro fix USN-5638-3
to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: lib64expat1 โ 2.1.0-7ubuntu0.16.04.5+esm7 lib64expat1-dev โ 2.1.0-7ubuntu0.16.04.5+esm7 expat โ 2.1.0-7ubuntu0.16.04.5+esm7 libexpat1-dev โ 2.1.0-7ubuntu0.16.04.5+esm7 libexpat1 โ 2.1.0-7ubuntu0.16.04.5+esm7 Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
CVEs contained in this USN include: CVE-2022-43680.
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:
2022-12-07: Initial vulnerability report published.
CPE | Name | Operator | Version |
---|---|---|---|
bionic stemcells | lt | 1.150 | |
cflinuxfs3 | lt | 0.338.0 | |
jammy stemcells | lt | 1.55 | |
cf deployment | lt | 24.0.0 |
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
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
0.005 Low
EPSS
Percentile
76.5%