7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.8 High
AI Score
Confidence
High
0.014 Low
EPSS
Percentile
86.5%
Unknown
Canonical Ubuntu
It was discovered that the GNU C Library incorrectly handled the GLIBC_TUNABLES environment variable. An attacker could possibly use this issue to perform a privilege escalation attack. (CVE-2023-4911) It was discovered that the GNU C Library incorrectly handled certain DNS responses when the system was configured in no-aaaa mode. A remote attacker could possibly use this issue to cause the GNU C Library to crash, resulting in a denial of service. This issue only affected Ubuntu 23.04. (CVE-2023-4527) Update Instructions: Run sudo pro fix USN-6409-1
to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: libc-bin – 2.35-0ubuntu3.4 glibc-doc – 2.35-0ubuntu3.4 locales-all – 2.35-0ubuntu3.4 libc6-i386 – 2.35-0ubuntu3.4 libc6-s390 – 2.35-0ubuntu3.4 libc6-dev-i386 – 2.35-0ubuntu3.4 nscd – 2.35-0ubuntu3.4 libc6-dev-x32 – 2.35-0ubuntu3.4 libc6-dev – 2.35-0ubuntu3.4 libc6-amd64 – 2.35-0ubuntu3.4 libc6-x32 – 2.35-0ubuntu3.4 libc6-dev-amd64 – 2.35-0ubuntu3.4 libc-dev-bin – 2.35-0ubuntu3.4 libc6 – 2.35-0ubuntu3.4 libc6-prof – 2.35-0ubuntu3.4 libc-devtools – 2.35-0ubuntu3.4 glibc-source – 2.35-0ubuntu3.4 libc6-dev-s390 – 2.35-0ubuntu3.4 locales – 2.35-0ubuntu3.4 No subscription required
Severity is unknown unless otherwise noted.
Users of affected products are strongly encouraged to follow the mitigations below.
The Cloud Foundry project recommends upgrading the following releases:
2024-03-18: Initial vulnerability report published.
CPE | Name | Operator | Version |
---|---|---|---|
cflinuxfs4 | lt | 1.40.0 | |
jammy stemcells | lt | 1.250 | |
cf deployment | lt | 1.250 |
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.8 High
AI Score
Confidence
High
0.014 Low
EPSS
Percentile
86.5%