PT-2021-11413 · R · R

Chris Davis + 1 · Published 2021-01-12 · Updated 2024-01-06 · CVE-2020-27637

Positive Technologies (AI Summary)

CVSS v2.0

10

Critical

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions: R versions prior to 4.0.3

Description: The R programming language’s default package manager CRAN is affected by a path traversal vulnerability that can lead to server compromise. This vulnerability affects packages installed via the R CMD install cli command or the install.packages() function from the interpreter.

Recommendations: Update to version 4.0.3 to resolve the issue. As a temporary workaround, consider restricting the use of the install.packages() function and the R CMD install cli command until the update is applied.

Exploit

Fix

Path traversal

Weakness Enumeration

CWE-22

Related Identifiers

CVE-2020-27637

Affected Products

R

References · 12

• 🔥 https://labs.bishopfox.com/advisories/cran-version-4.0.2 · Exploit
• https://osv.dev/vulnerability/DEBIAN-CVE-2020-27637 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2020-27637 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2020-27637 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2020-27637 · Security Note
• https://osv.dev/vulnerability/CVE-2020-27637 · Vendor Advisory
• https://r-project.org/foundation · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-27637 · Vendor Advisory
• https://security.gentoo.org/glsa/202401-07 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-27637 · Security Note
• https://t.me/cibsecurity/21919 · Telegram Post
• https://t.me/cvenotify/66487 · Telegram Post