Loop with Unreachable Exit Condition ('Infinite Loop')

Affecting ncurses package, versions <5.9+20140913-1+deb8u1

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Overview

There is an infinite loop in the next_char function in comp_scan.c in ncurses 6.0, related to libtic. A crafted input will lead to a remote denial of service attack.

References

CVSS Score

7.5
high severity
  • Attack Vector
    Network
  • Attack Complexity
    Low
  • Privileges Required
    None
  • User Interaction
    None
  • Scope
    Unchanged
  • Confidentiality
    None
  • Integrity
    None
  • Availability
    High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVE
CVE-2017-13728
CWE
CWE-835
Snyk ID
SNYK-DEBIAN8-NCURSES-367702
Disclosed
29 Aug, 2017
Published
29 Aug, 2017