UBUNTU-CVE-2023-4911

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Source

https://ubuntu.com/security/notices/UBUNTU-CVE-2023-4911

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-4911.json

JSON Data

https://api.osv.dev/v1/vulns/UBUNTU-CVE-2023-4911

Related

Published

2023-10-03T17:00:00Z

Modified

2023-10-03T17:00:00Z

Severity

7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator

Summary

[none]

Details

A buffer overflow was discovered in the GNU C Library's dynamic loader ld.so while processing the GLIBCTUNABLES environment variable. This issue could allow a local attacker to use maliciously crafted GLIBCTUNABLES environment variables when launching binaries with SUID permission to execute code with elevated privileges.

References

Affected packages

Ubuntu:22.04:LTS / glibc

Package

Name: glibc
Purl: pkg:deb/ubuntu/glibc@2.35-0ubuntu3.4?arch=src?distro=jammy

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

2.35-0ubuntu3.4

Affected versions

2.*

2.34-0ubuntu3

2.35-0ubuntu1

2.35-0ubuntu3

2.35-0ubuntu3.1

2.35-0ubuntu3.3

Ecosystem specific

{
    "availability": "No subscription required",
    "ubuntu_priority": "high",
    "binaries": [
        {
            "libc6-s390-dbgsym": "2.35-0ubuntu3.4",
            "libc6-dev": "2.35-0ubuntu3.4",
            "libc6-dev-s390": "2.35-0ubuntu3.4",
            "libc6-dev-i386": "2.35-0ubuntu3.4",
            "locales-all": "2.35-0ubuntu3.4",
            "libc6-amd64-dbgsym": "2.35-0ubuntu3.4",
            "glibc-source": "2.35-0ubuntu3.4",
            "libc6-dev-amd64": "2.35-0ubuntu3.4",
            "nscd-dbgsym": "2.35-0ubuntu3.4",
            "nscd": "2.35-0ubuntu3.4",
            "glibc-doc": "2.35-0ubuntu3.4",
            "libc6-dbg": "2.35-0ubuntu3.4",
            "libc6": "2.35-0ubuntu3.4",
            "libc-bin": "2.35-0ubuntu3.4",
            "libc6-i386": "2.35-0ubuntu3.4",
            "libc6-dev-x32": "2.35-0ubuntu3.4",
            "libc-bin-dbgsym": "2.35-0ubuntu3.4",
            "libc-dev-bin": "2.35-0ubuntu3.4",
            "libc6-amd64": "2.35-0ubuntu3.4",
            "libc6-x32": "2.35-0ubuntu3.4",
            "libc6-prof": "2.35-0ubuntu3.4",
            "libc-devtools": "2.35-0ubuntu3.4",
            "libc-devtools-dbgsym": "2.35-0ubuntu3.4",
            "libc6-s390": "2.35-0ubuntu3.4",
            "libc6-i386-dbgsym": "2.35-0ubuntu3.4",
            "locales": "2.35-0ubuntu3.4",
            "libc-dev-bin-dbgsym": "2.35-0ubuntu3.4",
            "libc6-x32-dbgsym": "2.35-0ubuntu3.4"
        }
    ],
    "priority_reason": "Local privilege escalation in a package that is installed on all Ubuntu instances."
}

Ubuntu:24.04:LTS / glibc

Package

Name: glibc
Purl: pkg:deb/ubuntu/glibc@2.38-1ubuntu6?arch=src?distro=noble

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

2.38-1ubuntu6

Ecosystem specific

{
    "availability": "No subscription required",
    "ubuntu_priority": "high",
    "binaries": [
        {
            "libc6-s390-dbgsym": "2.38-1ubuntu6",
            "libc6-dev": "2.38-1ubuntu6",
            "libc6-dev-s390": "2.38-1ubuntu6",
            "libc6-dev-i386": "2.38-1ubuntu6",
            "locales-all": "2.38-1ubuntu6",
            "libc6-amd64-dbgsym": "2.38-1ubuntu6",
            "glibc-source": "2.38-1ubuntu6",
            "libc6-dev-amd64": "2.38-1ubuntu6",
            "nscd-dbgsym": "2.38-1ubuntu6",
            "nscd": "2.38-1ubuntu6",
            "glibc-doc": "2.38-1ubuntu6",
            "libc6-dbg": "2.38-1ubuntu6",
            "libc6": "2.38-1ubuntu6",
            "libc-bin": "2.38-1ubuntu6",
            "libc6-i386": "2.38-1ubuntu6",
            "libc6-dev-x32": "2.38-1ubuntu6",
            "libc-bin-dbgsym": "2.38-1ubuntu6",
            "libc-dev-bin": "2.38-1ubuntu6",
            "libc6-amd64": "2.38-1ubuntu6",
            "libc6-x32": "2.38-1ubuntu6",
            "libc6-prof": "2.38-1ubuntu6",
            "libc-devtools": "2.38-1ubuntu6",
            "libc-devtools-dbgsym": "2.38-1ubuntu6",
            "libc6-s390": "2.38-1ubuntu6",
            "libc6-i386-dbgsym": "2.38-1ubuntu6",
            "libc6-dev-dbgsym": "2.38-1ubuntu6",
            "locales": "2.38-1ubuntu6",
            "libc-dev-bin-dbgsym": "2.38-1ubuntu6",
            "libc6-x32-dbgsym": "2.38-1ubuntu6"
        }
    ],
    "priority_reason": "Local privilege escalation in a package that is installed on all Ubuntu instances."
}