USN-6409-1

See a problem?
Source
https://ubuntu.com/security/notices/USN-6409-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6409-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-6409-1
Related
Published
2023-10-03T18:04:23.013596Z
Modified
2023-10-03T18:04:23.013596Z
Summary
glibc vulnerabilities
Details

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)

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",
    "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"
        }
    ]
}