VAR-201005-0432
Vulnerability from variot - Updated: 2022-05-17 01:48Multiple 3Com H3C switches have security issues, and remote attackers can exploit vulnerabilities to perform denial of service attacks on their SSH servers. An unspecified error exists in the built-in SSH server. The attacker sends a specially constructed SSH message to restart the device. Multiple 3Com H3C devices are prone to a remote denial-of-service vulnerability. Successfully exploiting this issue allows remote attackers to cause the affected device to restart, denying service to legitimate users. This issue affects the H3C S3100, Switch 4500, and Switch 4200G series of products. ----------------------------------------------------------------------
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The vulnerability is caused due to an unspecified error and can be exploited to cause an affected device to reboot by sending specially crafted SSH packets to it.
Successful exploitation requires that the device is configured as SSH server.
SOLUTION: Update to the latest versions.
H3C S3100-52P: Update to Comware 3.10 Release 1702P13.
3Com Switch 4500: Update to version 3.03.02p09
3Com Switch 4200: Update to version 3.2.4.
PROVIDED AND/OR DISCOVERED BY: Reported by the vendor.
ORIGINAL ADVISORY: 3Com H3C (LSOD09619): http://support.3com.com/documents/H3C/switches/3100/H3C_S3100-52P_CMW3.10.R1702P13_Release_Notes.pdf http://support.3com.com/documents/switches/4500/Switch_4500_V3.03.02p09_Release_Notes.pdf
3Com H3C (LSOD09646) http://support.3com.com/documents/switches/4200G/Switch_4200G_V3.02.04_Release_Notes.pdf
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Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
How durations are calculated
Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.
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