CVE-2023-6246

Katalog CVE

CVSS 7.8 · High EPSS 4,8%

Kerentanan Heap-based Buffer Overflow pada gnu glibc, fedoraproject fedora. Skor CVSS 3.1 7.8 (High) menurut NVD.

Deskripsi (NVD)

A heap-based buffer overflow was found in the __vsyslog_internal function of the glibc library. This function is called by the syslog and vsyslog functions. This issue occurs when the openlog function was not called, or called with the ident argument set to NULL, and the program name (the basename of argv[0]) is bigger than 1024 bytes, resulting in an application crash or local privilege escalation. This issue affects glibc 2.36 and newer.

Rincian

Terbit di NVD

31 Januari 2024

Terakhir diubah

17 Juni 2026

Status NVD

Modified

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)

4,8% peluang dieksploitasi; lebih tinggi dari 91,7% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• http://packetstormsecurity.com/files/176931/glibc-qsort-Out-Of-Bounds-Read-Write.html exploit · advisory pihak ketiga · vdb entry
• http://packetstormsecurity.com/files/176932/glibc-syslog-Heap-Based-Buffer-Overflow.html exploit · advisory pihak ketiga · vdb entry
• http://seclists.org/fulldisclosure/2024/Feb/3 exploit · advisory pihak ketiga
• http://seclists.org/fulldisclosure/2024/Feb/5 exploit · advisory pihak ketiga
• https://access.redhat.com/security/cve/CVE-2023-6246 advisory pihak ketiga
• https://bugzilla.redhat.com/show_bug.cgi?id=2249053 issue tracking · advisory pihak ketiga
• https://security.gentoo.org/glsa/202402-01 advisory pihak ketiga
• https://www.openwall.com/lists/oss-security/2024/01/30/6 exploit · mailing list · advisory pihak ketiga
• https://www.qualys.com/2024/01/30/cve-2023-6246/syslog.txt exploit · advisory pihak ketiga
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/D2FIH77VHY3KCRR... mailing list
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MWQ6BZJ6CV5UAW4... mailing list
• https://security.netapp.com/advisory/ntap-20240216-0007/
• https://cert-portal.siemens.com/productcert/html/ssa-082556.html