Stack-based buffer overflow in the check_file_head function in extra.c in mcrypt 2.6.8 and earlier allows user-assisted remote attackers to execute arbitrary code via an encrypted file with a crafted header containing long salt data that is not properly handled during decryption.
結論預警: CVE-2012-4409 綜合評估為高可利用風險(70.9/100):CVSS 技術影響為中級,利用機率偏高(EPSS 15.02%,百分位 96%) 核心證據: 已收錄 3 筆公開利用參考(Exploit-DB)。 強制指令: 存在公開利用—請盤點暴露面、落實緩解措施並優先修補。
風險隨態勢動態變化;本站持續評估並同步更新本頁展示內容。
| EDB-ID | 來源 | 類型 | 公開時間 | 連結 |
|---|---|---|---|---|
| 22928 | exploit_db | edb | 2012-11-26 | Exploit-DB ↗ |
| 22938 | exploit_db | edb | 2012-11-26 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS 日更估計相對被利用可能性;百分位表示該 CVE 在已評分漏洞中的相對排名(越高表示相對更嚴重)。
| # | 日期 | 舊 EPSS 分數 | 新 EPSS 分數 | 變化(新 − 舊) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 58.74% | 15.02% | -43.72% |
| 2 | 2025-03-30 | 68.83% | 58.74% | -10.09% |
| 3 | 2025-03-29 | — | 68.83% | — |
完整 EPSS 歷史 (共 12 筆)
該 CVE 的 CVSS 指標。
| 底座分 | 版本 | 嚴重度 | 向量 | 可利用性 | 影響 | 分數來源 |
|---|---|---|---|---|---|---|
| 6.8 | 2.0 | MEDIUM |
|
8.6 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2012-4409 not yet assigned priority: Debian including 1 source packages (mcrypt), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2012-4409 |
gentoo
|
normal | CVE-2012-4409: 1 GLSA(s) (201405-19), 1 atom(s) (app-crypt/mcrypt); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2012-4409 |
ubuntu
|
medium | CVE-2012-4409 medium priority: Ubuntu including 1 source packages (mcrypt), 16 status rows across 16 suites (hardy, lucid, natty, oneiric, precise, quantal, raring, saucy, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): not-affected 9, ignored 5, DNE 1, released 1. | https://ubuntu.com/security/CVE-2012-4409 |
| 廠商 | 產品 | 版本 | 原始 CPE |
|---|---|---|---|
| mcrypt | mcrypt | <= 2.6.8 | cpe:2.3:a:mcrypt:mcrypt:*:*:*:*:*:*:*:* |
| mcrypt | mcrypt | 2.6.4 | cpe:2.3:a:mcrypt:mcrypt:2.6.4:*:*:*:*:*:*:* |
| mcrypt | mcrypt | 2.6.5 | cpe:2.3:a:mcrypt:mcrypt:2.6.5:*:*:*:*:*:*:* |
| mcrypt | mcrypt | 2.6.6 | cpe:2.3:a:mcrypt:mcrypt:2.6.6:*:*:*:*:*:*:* |
| mcrypt | mcrypt | 2.6.7 | cpe:2.3:a:mcrypt:mcrypt:2.6.7:*:*:*:*:*:*:* |