In LightDM through 1.22.0, a directory traversal issue in debian/guest-account.sh allows local attackers to own arbitrary directory path locations and escalate privileges to root when the guest user logs out.
結論預警: CVE-2017-7358 綜合評估為高可利用風險(74.4/100):CVSS 技術影響為高級,利用機率(EPSS 2.67%) 核心證據: 已收錄 1 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 |
|---|---|---|---|---|
| 41923 | exploit_db | edb | 2017-04-25 | 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 | 1.74% | 2.67% | +0.93% |
| 2 | 2026-01-29 | 1.96% | 1.74% | -0.22% |
| 3 | 2026-01-22 | — | 1.96% | — |
完整 EPSS 歷史 (共 17 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 |
|---|---|---|---|---|---|---|
| 7.3 | 3.0 | HIGH |
|
1.3 | 5.9 | [email protected] |
| 6.9 | 2.0 | MEDIUM |
|
3.4 | 10.0 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
unimportant | CVE-2017-7358 unimportant priority: Debian including 1 source packages (lightdm), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2017-7358 |
ubuntu
|
high | CVE-2017-7358 high priority: Ubuntu including 1 source packages (lightdm), 5 status rows across 5 suites (precise, trusty, upstream, xenial, yakkety): released 2, DNE 1, needed 1, not-affected 1. | https://ubuntu.com/security/CVE-2017-7358 |
| 廠商 | 產品 | 版本 | 原始 CPE |
|---|---|---|---|
| lightdm_project | lightdm | <= 1.22.0 | cpe:2.3:a:lightdm_project:lightdm:*:*:*:*:*:*:*:* |
| canonical | ubuntu_linux | 16.04 | cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* |
| canonical | ubuntu_linux | 16.10 | cpe:2.3:o:canonical:ubuntu_linux:16.10:*:*:*:*:*:*:* |
| URL | 標籤 |
|---|---|
| http://bazaar.launchpad.net/~lightdm-team/lightdm/trunk/revision/2478 | Third Party Advisory VDB Entry |
| http://www.securityfocus.com/bid/97486 | Third Party Advisory VDB Entry |
| https://launchpad.net/bugs/1677924 | Third Party Advisory VDB Entry |
| https://lists.freedesktop.org/archives/lightdm/2017-April/001059.html | Third Party Advisory VDB Entry |
| https://www.exploit-db.com/exploits/41923/ | |
| https://www.ubuntu.com/usn/usn-3255-1/ | Third Party Advisory |