7.5
CWE
22
Advisory Published
Updated

CVE-2022-31793: Path Traversal

First published: Thu Aug 04 2022(Updated: )

do_request in request.c in muhttpd before 1.1.7 allows remote attackers to read arbitrary files by constructing a URL with a single character before a desired path on the filesystem. This occurs because the code skips over the first character when serving files. Arris NVG443, NVG599, NVG589, and NVG510 devices and Arris-derived BGW210 and BGW320 devices are affected.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Inglorion Muhttpd<1.1.7
Arris Nvg443 Firmware
Arris NVG443
Arris Nvg599 Firmware
Arris Nvg599
Arris Nvg589 Firmware
Arris Nvg589
Arris Nvg510 Firmware
Arris Nvg510
Arris Bgw210 Firmware
Arris Bgw210
Arris Bgw320 Firmware
Arris Bgw320

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Frequently Asked Questions

  • What is CVE-2022-31793?

    CVE-2022-31793 is a vulnerability in muhttpd before 1.1.7 that allows remote attackers to read arbitrary files by constructing a URL with a single character before a desired path on the filesystem.

  • What software is affected by CVE-2022-31793?

    The affected software includes Inglorion Muhttpd versions up to and excluding 1.1.7, as well as Arris NVG443, NVG599, and NVG589 firmware.

  • What is the severity of CVE-2022-31793?

    CVE-2022-31793 has a severity rating of 7.5 (High).

  • How can remote attackers exploit CVE-2022-31793?

    Remote attackers can exploit CVE-2022-31793 by constructing a URL with a single character before a desired path on the filesystem, allowing them to read arbitrary files.

  • Where can I find more information about CVE-2022-31793?

    More information about CVE-2022-31793 can be found on the Inglorion Muhttpd website and in the related blog posts and advisories.

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