ANSI Escape Sequence Filtering Bypass in GNU Less by Greenwood Software
CVE-2022-46663

7.5HIGH

Key Information:

Vendor

Gnu
Status
Less
Vendor
CVE Published:
7 February 2023

What is CVE-2022-46663?

GNU Less, prior to version 609, contains a vulnerability that allows crafted data to bypass the filtering of ANSI escape sequences when using the 'less -R' command. This could potentially lead to unexpected user terminal behavior, exposing users to security risks. For more information, users should refer to the relevant security advisories and updates.

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References

https://github.com/gwsw/less/commit/a78e1351113cef564d790...
http://www.greenwoodsoftware.com/less/news.609.html
https://www.openwall.com/lists/oss-security/2023/02/07/7

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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