CVE-2023-4911

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.

Database specific

{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/4xxx/CVE-2023-4911.json",
    "cwe_ids": [
        "CWE-122"
    ],
    "cna_assigner": "redhat",
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "introduced": "2.34"
                },
                {
                    "fixed": "2.39"
                }
            ],
            "source": "AFFECTED_FIELD"
        }
    ]
}

References

Affected packages

Git / github.com/bminor/glibc

Affected ranges

Type

GIT

Repo

https://github.com/bminor/glibc

Events

Introduced

ae37d06c7d127817ba43850f0f898b793d42aea7

Fixed

ef321e23c20eebc6d6fb4044425c00e6df27b05f

Database specific

{
    "extracted_events": [
        {
            "introduced": "2.34"
        },
        {
            "fixed": "2.39"
        }
    ],
    "source": "CPE_RANGE",
    "cpe": "cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*"
}

Affected versions

glibc-2.*

glibc-2.34

glibc-2.34.9000

glibc-2.35

glibc-2.35.9000

glibc-2.36

glibc-2.36.9000

glibc-2.37

glibc-2.37.9000

glibc-2.38

glibc-2.38.9000

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-4911.json"