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Advisories

Serena before 2.0.0 Symlink Following in File Tools Allows Access Outside Project Root

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severity
high
date
Affecting

  • serena >= 0, < 2.0.0

CWE
  • CWE-59 Improper Link Resolution Before File Access ('Link Following')
CVSS
8.4
CVSS V4 Vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Credit
George Chen
Description
Serena before 2.0.0 contains an improper link resolution vulnerability that allows attackers to access files outside the project root by committing symlinks inside a repository. Project.is_path_in_project() normalizes paths lexically without resolving symlinks, so file tools like read_file and create_text_file can read or overwrite files such as SSH keys or cloud credentials.

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