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.
结论预警: CVE-2012-4409 综合评估为高可利用风险(70.9/100):CVSS 技术影响为中级,利用概率偏高(EPSS 15.02%,百分位 96%) 核心证据: 已收录 3 条公开利用参考(Exploit-DB)。 强制指令: 存在公开利用—请排查暴露面、落实缓解措施并优先修补。
风险随态势动态变化;本站持续评估并同步更新本页展示内容。
| EDB-ID | 来源 | 类型 | 公开时间 | 链接 |
|---|---|---|---|---|
| 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 日更估计相对被利用可能性;百分位表示该 CVE 在已评分漏洞中的相对排名(越高表示相对更严重)。
| # | 日期 | 旧 EPSS 分数 | 新 EPSS 分数 | 变化(新 − 旧) |
|---|---|---|---|---|
| 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 历史 (共 12 条)
该 CVE 的 CVSS 指标。
| 底座分 | 版本 | 严重度 | 向量 | 可利用性 | 影响 | 分数来源 |
|---|---|---|---|---|---|---|
| 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 |
| 厂商 | 产品 | 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:*:*:*:*:*:*:* |