7.8Hoch KEV In Ransomware genutzt

CVE-2018-20250WinRAR Absolute Path Traversal Vulnerability

Check Point Software Technologies Ltd. WinRAR Veröffentlicht: 2019-02-05 23:00 (vor 7 Jahren)

Bekannt ausgenutzt — WinRAR Absolute Path Traversal Vulnerability

CISA hat am 15.02.2022 bestätigt, dass diese Schwachstelle in echten Angriffen genutzt wird. Frist für US-Bundesbehörden: 15.08.2022.

Erforderliche Maßnahme: Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2018-20250

Beschreibung

In WinRAR versions prior to and including 5.61, There is path traversal vulnerability when crafting the filename field of the ACE format (in UNACEV2.dll). When the filename field is manipulated with specific patterns, the destination (extraction) folder is ignored, thus treating the filename as an absolute path.

Schwachstellentyp (CWE): CWE-36 CWE-22

Daten: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Wiedergegeben wie in der Quelle, auf Englisch.

Betroffene Produkte und Versionen

Hersteller	Produkt	Versionen
Check Point Software Technologies Ltd.	WinRAR	All versions prior and including 5.61
rarlab	winrar	≤ 5.61

Referenzen und Patches

https://github.com/blau72/CVE-2018-20250-WinRAR-ACE ExploitThird Party Advisory
https://research.checkpoint.com/extracting-code-execution-from-winrar/ ExploitPress/Media CoverageThird Party Advisory
46552 exploitExploitThird Party AdvisoryVDB Entry
106948 vdb-entryBroken LinkThird Party AdvisoryVDB Entry
https://www.win-rar.com/whatsnew.html Release Notes
http://packetstormsecurity.com/files/152618/RARLAB-WinRAR-ACE-Format-Input-Validation-Remote-Code-Execution.html ExploitThird Party AdvisoryVDB Entry
http://www.rapid7.com/db/modules/exploit/windows/fileformat/winrar_ace Third Party Advisory
46756 exploitExploitThird Party AdvisoryVDB Entry
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-20250 US Government Resource

CPE-Treffer (NVD) (1)

cpe:2.3:a:rarlab:winrar:*:*:*:*:*:*:*:* ≤ 5.61

CVSS-Score

7.8Hoch

Quelle: CISA-ADP · CVSS 3.1

Angriffsvektor: Lokal
Komplexität: Niedrig
Rechte erforderlich: Keine
Benutzerinteraktion: Erforderlich
Geltungsbereich: Unverändert
Vertraulichkeit: Hoch
Integrität: Hoch
Verfügbarkeit: Hoch

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Alle Scores (4)

CISA-ADP	CVSS 3.1	7.8Hoch
nvd	CVSS 3.1	7.8Hoch
134c704f-9b21-4f2e-91b3-4a467353bcc0	CVSS 3.1	7.8Hoch
nvd	CVSS 2.0	6.8Mittel

EPSS (Ausnutzungswahrscheinlichkeit in 30 Tagen)

96.00%

höher als 100 % aller CVEs

CISA-Bewertung (SSVC)

Ausnutzung: active
Automatisierbar: no
Technische Auswirkung: total

Zeitverlauf

ID reserviert2018-12-19
Veröffentlicht2019-02-05 23:00
Bei IP-DB eingegangen2026-10-24 23:34
In KEV aufgenommen2022-02-15
Zuletzt aktualisiert2026-08-13 08:17

Vergeben von (CNA): checkpoint
NVD-Status: Analyzed

In der Quelle ansehen: CVE.org · NVD

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