CVE-2023-6780

Katalog CVE

CVSS 5.3 · Medium EPSS 2,7%

Kerentanan Incorrect Calculation of Buffer Size pada gnu glibc, fedoraproject fedora. Skor CVSS 3.1 5.3 (Medium) menurut NVD.

Deskripsi (NVD)

An integer 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 these functions are called with a very long message, leading to an incorrect calculation of the buffer size to store the message, resulting in undefined behavior. This issue affects glibc 2.37 and newer.

Rincian

Terbit di NVD

31 Januari 2024

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-131: Incorrect Calculation of Buffer Size
CWE-190: Integer Overflow or Wraparound

EPSS (30 hari)

2,7% peluang dieksploitasi; lebih tinggi dari 85,5% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• 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 · mailing list · advisory pihak ketiga
• https://access.redhat.com/security/cve/CVE-2023-6780 advisory pihak ketiga
• https://security.gentoo.org/glsa/202402-01 advisory pihak ketiga
• https://www.qualys.com/2024/01/30/cve-2023-6246/syslog.txt advisory pihak ketiga
• https://www.openwall.com/lists/oss-security/2024/01/30/6 exploit · mailing list
• https://bugzilla.redhat.com/show_bug.cgi?id=2254396 issue tracking
• 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-20250207-0010/
• https://cert-portal.siemens.com/productcert/html/ssa-082556.html