| Package | Affected versions | Patched versions |
|---|---|---|
| unrealircd | = 4.0.0= 4.0.1= 4.0.2= 4.0.3= 4.0.3.1= 4.0.4= 4.0.5≤ 3.2.10.5 |
The m_authenticate function in modules/m_sasl.c in UnrealIRCd before 3.2.10.7 and 4.x before 4.0.6 allows remote attackers to spoof certificate fingerprints and consequently log in as another user via a crafted AUTHENTICATE parameter.
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