Access Restriction Bypass Affecting asterisk package, versions [,1.6.0.25)[1.6.1.0,1.6.1.17)[1.6.2.0,1.6.2.5)


Severity

Recommended
0.0
medium
0
10

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

Threat Intelligence

EPSS
1.26% (86th percentile)

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  • Snyk IDSNYK-UNMANAGED-ASTERISK-2371520
  • published26 Jan 2022
  • disclosed1 Apr 2010
  • creditUnknown

Introduced: 1 Apr 2010

CVE-2010-1224  (opens in a new tab)
CWE-264  (opens in a new tab)

How to fix?

Upgrade asterisk to version 1.6.0.25, 1.6.1.17, 1.6.2.5 or higher.

Overview

Affected versions of this package are vulnerable to Access Restriction Bypass main/acl.c in Asterisk Open Source 1.6.0.x before 1.6.0.25, 1.6.1.x before 1.6.1.17, and 1.6.2.x before 1.6.2.5 does not properly enforce remote host access controls when CIDR notation "/0" is used in permit= and deny= configuration rules, which causes an improper arithmetic shift and might allow remote attackers to bypass ACL rules and access services from unauthorized hosts.

References

CVSS Scores

version 3.1