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
0.002 Low
EPSS
Percentile
55.2%
Medium
Canonical Ubuntu
It was discovered that GnuTLS incorrectly handled certain memory operations. A remote attacker could possibly use this issue to cause GnuTLS to crash, resulting in a denial of service. This issue only affected Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. (CVE-2021-4209) It was discovered that GnuTLS incorrectly handled the verification of certain pkcs7 signatures. A remote attacker could use this issue to cause GnuTLS to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2022-2509) Update Instructions: Run sudo ua fix USN-5550-1
to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: libgnutls30 – 3.5.18-1ubuntu1.6 libgnutls28-dev – 3.5.18-1ubuntu1.6 libgnutls-openssl27 – 3.5.18-1ubuntu1.6 gnutls-doc – 3.5.18-1ubuntu1.6 libgnutls-dane0 – 3.5.18-1ubuntu1.6 gnutls-bin – 3.5.18-1ubuntu1.6 libgnutlsxx28 – 3.5.18-1ubuntu1.6 No subscription required
CVEs contained in this USN include: CVE-2021-4209, CVE-2022-2509.
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:
2022-08-25: Initial vulnerability report published.
CPE | Name | Operator | Version |
---|---|---|---|
bionic stemcells | lt | 1.97 | |
cflinuxfs3 | lt | 0.313.0 |
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
0.002 Low
EPSS
Percentile
55.2%