rdesktop versions up to and including v1.8.3 contains several Integer Signedness errors that lead to Out-Of-Bounds Reads in the file mcs.c and result in a Denial of Service (segfault).
結論預警: CVE-2018-20175 綜合評估為高可利用風險(80.2/100):CVSS 技術影響為高級,利用機率(EPSS 4.30%) 核心證據: 已收錄 1 筆公開利用參考(Exploit-DB)。 近一日 EPSS 上升 +3.72%,被利用關注度持續升高。 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 |
|---|---|---|---|---|
| — | 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 | 0.58% | 4.30% | +3.72% |
| 2 | 2025-11-21 | 2.83% | 0.58% | -2.25% |
| 3 | 2025-11-18 | — | 2.83% | — |
完整 EPSS 歷史 (共 16 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 |
|---|---|---|---|---|---|---|
| 7.5 | 3.0 | HIGH |
|
3.9 | 3.6 | [email protected] |
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
high | CVE-2018-20175: 1 source package rows (rdesktop); 11 state rows across 11 repos (3.10-main, 3.11-main, 3.12-main, 3.17-community, 3.18-community, 3.19-community, 3.20-community, 3.21-community, 3.22-community, edge-community, edge-main); fixed 11, open 0. | https://security.alpinelinux.org/vuln/CVE-2018-20175 |
debian
|
not yet assigned | CVE-2018-20175 not yet assigned priority: Debian including 1 source packages (rdesktop), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2018-20175 |
gentoo
|
normal | CVE-2018-20175: 1 GLSA(s) (201903-06), 1 atom(s) (net-misc/rdesktop); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2018-20175 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2018-20175 |
ubuntu
|
medium | CVE-2018-20175 medium priority: Ubuntu including 1 source packages (rdesktop), 19 status rows across 19 suites (bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): not-affected 14, needed 2, DNE 1, ignored 1, released 1. | https://ubuntu.com/security/CVE-2018-20175 |
| 廠商 | 產品 | 版本 | 原始 CPE |
|---|---|---|---|
| rdesktop | rdesktop | <= 1.8.3 | cpe:2.3:a:rdesktop:rdesktop:*:*:*:*:*:*:*:* |
| debian | debian_linux | 8.0 | cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* |
| debian | debian_linux | 9.0 | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* |
| URL | 標籤 |
|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00040.html | |
| http://www.securityfocus.com/bid/106938 | Third Party Advisory VDB Entry |
| https://github.com/rdesktop/rdesktop/commit/4dca546d04321a610c1835010b5dad85163b65e1 | Patch Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2019/02/msg00030.html | Mailing List Third Party Advisory |
| https://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients/ | Exploit Third Party Advisory |
| https://security.gentoo.org/glsa/201903-06 | Third Party Advisory |
| https://www.debian.org/security/2019/dsa-4394 | Third Party Advisory |