Access Restriction Bypass Affecting tinyproxy/tinyproxy package, versions [,1.8.4]


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.03% (8th percentile)

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  • Snyk IDSNYK-UNMANAGED-TINYPROXYTINYPROXY-2365079
  • published26 Jan 2022
  • disclosed30 Jul 2017
  • creditUnknown

Introduced: 30 Jul 2017

CVE-2017-11747  (opens in a new tab)
CWE-264  (opens in a new tab)

How to fix?

There is no fixed version for tinyproxy/tinyproxy.

Overview

Affected versions of this package are vulnerable to Access Restriction Bypass main.c in Tinyproxy 1.8.4 and earlier creates a /run/tinyproxy/tinyproxy.pid file after dropping privileges to a non-root account, which might allow local users to kill arbitrary processes by leveraging access to this non-root account for tinyproxy.pid modification before a root script executes a "kill cat /run/tinyproxy/tinyproxy.pid" command.

References

CVSS Base Scores

version 3.1