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Fencer Intel
high —

GHSA-qxx8-292g-2w66 json

Improper Authentication

published 5y ago modified last yr.

cvss
—
not scored
cisa kev
Not listed
not in CISA's catalog
epss
—
no score, EPSS covers CVEs only
public exploits
0
none known

Summary

### Impact A maliciously crafted claim may be incorrectly authenticated by the bot. Impacts bots that are not configured to be used as a Skill. This vulnerability requires an an attacker to have internal knowledge of the bot.

### Patches The problem has been patched in all affected versions. Please see the list of patched versions for the most appropriate one for your individual case.

### Workarounds Users who do not wish or are not able to upgrade can add an authentication configuration containing ClaimsValidator which throws an exception if the Claims are Skill Claims.

For detailed instructions, see the link in the References section.

### For more information If you have any questions or comments about this advisory: * Open an issue in [Microsoft Bot Builder SDK](https://github.com/microsoft/botbuilder-dotnet) * Email us at [bf-reports@microsoft.com](mailto:bf-reports@microsoft.com)

Patch / fix

  • nuget Microsoft.Bot.Connector 4.6.4, 4.7.3, 4.8.2, 4.9.5, 4.10.3

Is GHSA-qxx8-292g-2w66 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Affected packages

ecosystem package affected fixed in
nuget Microsoft.Bot.Connector
>=4.6.0, <4.6.4
>=4.7.0, <4.7.3
>=4.8.0, <4.8.2
>=4.9.0, <4.9.5
>=4.10.0, <4.10.3
4.6.4
4.7.3
4.8.2
4.9.5
4.10.3

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.