H3C ER6300G2 up to 20230908 Config File /userLogin.asp path traversal

Summaryinfo

A vulnerability described as critical has been identified in H3C GR-1100-P, GR-1108-P, GR-1200W, GR-1800AX, GR-2200, GR-3200, GR-5200, GR-8300, ER2100n, ER2200G2, ER3200G2, ER3260G2, ER5100G2, ER5200G2 and ER6300G2 up to 20230908. This impacts an unknown function of the file /userLogin.asp of the component Config File Handler. Executing a manipulation can lead to path traversal. This vulnerability appears as CVE-2023-5142. The attack may be performed from remote. In addition, an exploit is available. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability classified as problematic was found in H3C GR-1100-P, GR-1108-P, GR-1200W, GR-1800AX, GR-2200, GR-3200, GR-5200, GR-8300, ER2100n, ER2200G2, ER3200G2, ER3260G2, ER5100G2, ER5200G2 and ER6300G2 up to 20230908. This vulnerability affects an unknown code block of the file /userLogin.asp of the component Config File Handler. The manipulation with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. As an impact it is known to affect confidentiality.

The weakness was presented 09/24/2023. The advisory is available at github.com. This vulnerability was named CVE-2023-5142. Technical details and also a public exploit are known. This vulnerability is assigned to T1006 by the MITRE ATT&CK project.

It is possible to download the exploit at github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way. By approaching the search of inurl:userLogin.asp it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• H3C

Name

• ER2100n
• ER2200G2
• ER3200G2
• ER3260G2
• ER5100G2
• ER5200G2
• ER6300G2
• GR-1100-P
• GR-1108-P
• GR-1200W
• GR-1800AX
• GR-2200
• GR-3200
• GR-5200
• GR-8300

Version

• 20230908

License

• commercial

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

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Exploitinginfo

Threat Intelligenceinfo

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Timelineinfo

Sourcesinfo

Entryinfo

Submitinfo

Accepted

• Submit #205084: H3C GR series router system management has unauthorized access vulnerability (by yinsel975)

Duplicate

• Submit #XXXXXX: Xxx Xx Xxxxxx Xxxxxx Xxxxxx Xxxxxxxxxx Xxx Xxxxxxxxxxxx Xxxxxx Xxxxxxxxxxxxx (by cjcniubi666)

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