CVE-2021-32921

Katalog CVE

CVSS 5.9 · Medium EPSS 1,6%

Kerentanan Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') pada prosody, fedoraproject fedora +1 lainnya. Skor CVSS 3.1 5.9 (Medium) menurut NVD.

Deskripsi (NVD)

An issue was discovered in Prosody before 0.11.9. It does not use a constant-time algorithm for comparing certain secret strings when running under Lua 5.2 or later. This can potentially be used in a timing attack to reveal the contents of secret strings to an attacker.

Rincian

Terbit di NVD

13 Mei 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

EPSS (30 hari)

1,6% peluang dieksploitasi; lebih tinggi dari 75,1% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://blog.prosody.im/prosody-0.11.9-released/ release notes · advisory vendor
• http://www.openwall.com/lists/oss-security/2021/05/14/2 mailing list · mitigasi · advisory pihak ketiga
• http://www.openwall.com/lists/oss-security/2021/05/13/1 mailing list · advisory pihak ketiga
• https://lists.debian.org/debian-lts-announce/2021/06/msg00016.html mailing list · advisory pihak ketiga
• https://lists.debian.org/debian-lts-announce/2021/06/msg00018.html advisory pihak ketiga
• https://security.gentoo.org/glsa/202105-15 advisory pihak ketiga
• https://www.debian.org/security/2021/dsa-4916 advisory pihak ketiga
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6MFFBZWXKPZEV...
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GUN63AHEWB2WR...
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LWJ2DG2DFJOEF...