CVE-2023-4911

Katalog CVE

CVSS 7.8 · High KEV · sudah dieksploitasi EPSS 63,8%

Kerentanan Heap-based Buffer Overflow pada netapp bootstrap os, siemens simatic s7-1500 cpu 1518-4 pn/dp mfp firmware +28 lainnya. Skor CVSS 3.1 7.8 (High) menurut NVD. Masuk katalog KEV CISA pada 21 November 2023, artinya sudah terbukti dieksploitasi.

Deskripsi (NVD)

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

Rincian

Terbit di NVD

3 Oktober 2023

Terakhir diubah

17 Juni 2026

Status NVD

Analyzed

CVSS 3.1

7.8 (High), sumber NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-122: Heap-based Buffer Overflow
CWE-787: Out-of-bounds Write

EPSS (30 hari)

63,8% peluang dieksploitasi; lebih tinggi dari 99,2% CVE lain

Known Exploited Vulnerabilities (CISA)

Nama

GNU C Library Buffer Overflow Vulnerability

Masuk KEV

21 November 2023

Tenggat CISA

12 Desember 2023 (untuk instansi federal AS)

Ransomware

Belum tercatat

Tindakan wajib

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD. Ditampilkan 60 dari 73 konfigurasi; daftar lengkap ada di NVD.

Referensi dan perbaikan

• https://bugzilla.redhat.com/show_bug.cgi?id=2238352 issue tracking · patch
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-4911 pemerintah AS
• https://access.redhat.com/errata/RHSA-2023:5453 advisory pihak ketiga
• https://access.redhat.com/errata/RHSA-2023:5454 advisory pihak ketiga
• https://access.redhat.com/errata/RHSA-2023:5455 advisory pihak ketiga
• https://access.redhat.com/errata/RHSA-2023:5476 advisory pihak ketiga
• https://access.redhat.com/errata/RHSA-2024:0033 advisory pihak ketiga
• https://access.redhat.com/security/cve/CVE-2023-4911 advisory pihak ketiga
• https://www.qualys.com/2023/10/03/cve-2023-4911/looney-tunables-local-privilege-escalation-glibc-ld-so.txt exploit · advisory pihak ketiga
• https://www.qualys.com/cve-2023-4911/ advisory pihak ketiga
• http://packetstormsecurity.com/files/174986/glibc-ld.so-Local-Privilege-Escalation.html exploit · advisory pihak ketiga · vdb entry
• http://packetstormsecurity.com/files/176288/Glibc-Tunables-Privilege-Escalation.html exploit · advisory pihak ketiga · vdb entry
• http://seclists.org/fulldisclosure/2023/Oct/11 exploit · mailing list · advisory pihak ketiga
• https://security.gentoo.org/glsa/202310-03 advisory pihak ketiga
• https://security.netapp.com/advisory/ntap-20231013-0006/ advisory pihak ketiga
• https://www.exploit-db.com/exploits/52479 exploit · advisory pihak ketiga · vdb entry
• https://cert-portal.siemens.com/productcert/html/ssa-082556.html advisory pihak ketiga
• https://cert-portal.siemens.com/productcert/html/ssa-794697.html advisory pihak ketiga
• https://cert-portal.siemens.com/productcert/html/ssa-831302.html advisory pihak ketiga
• http://www.openwall.com/lists/oss-security/2023/10/03/2 exploit · mailing list
• http://www.openwall.com/lists/oss-security/2023/10/03/3 mailing list
• http://www.openwall.com/lists/oss-security/2023/10/05/1 mailing list
• http://www.openwall.com/lists/oss-security/2023/10/13/11 mailing list
• http://www.openwall.com/lists/oss-security/2023/10/14/3 mailing list
• http://www.openwall.com/lists/oss-security/2023/10/14/5 mailing list