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
4.3 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:S/C:P/I:P/A:P
0.016 Low
EPSS
Percentile
87.2%
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 β 2.35-0ubuntu3.4 glibc-doc β 2.35-0ubuntu3.4 locales-all β 2.35-0ubuntu3.4 libc6-i386 β 2.35-0ubuntu3.4 libc6-s390 β 2.35-0ubuntu3.4 libc6-dev-i386 β 2.35-0ubuntu3.4 nscd β 2.35-0ubuntu3.4 libc6-dev-x32 β 2.35-0ubuntu3.4 libc6-dev β 2.35-0ubuntu3.4 libc6-amd64 β 2.35-0ubuntu3.4 libc6-x32 β 2.35-0ubuntu3.4 libc6-dev-amd64 β 2.35-0ubuntu3.4 libc-dev-bin β 2.35-0ubuntu3.4 libc6 β 2.35-0ubuntu3.4 libc6-prof β 2.35-0ubuntu3.4 libc-devtools β 2.35-0ubuntu3.4 glibc-source β 2.35-0ubuntu3.4 libc6-dev-s390 β 2.35-0ubuntu3.4 locales β 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
4.3 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:S/C:P/I:P/A:P
0.016 Low
EPSS
Percentile
87.2%