Information Exposure Affecting tor package, versions [,0.2.2.34)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.24% (64th percentile)

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  • Snyk IDSNYK-UNMANAGED-TOR-2371320
  • published26 Jan 2022
  • disclosed23 Dec 2011
  • creditUnknown

Introduced: 23 Dec 2011

CVE-2011-2769  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade tor to version 0.2.2.34 or higher.

Overview

Affected versions of this package are vulnerable to Information Exposure. Tor before 0.2.2.34, when configured as a bridge, accepts the CREATE and CREATE_FAST values in the Command field of a cell within an OR connection that it initiated, which allows remote relays to enumerate bridges by using these values.

CVSS Scores

version 3.1