UnrealIRCd up to 6.1.3 Websocket buffer overflow

Summaryinfo

A vulnerability classified as critical has been found in UnrealIRCd up to 6.1.3. This affects an unknown part of the component Websocket Handler. The manipulation leads to buffer overflow. This vulnerability is documented as CVE-2023-50784. The attack can be initiated remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in UnrealIRCd up to 6.1.3 and classified as critical. This issue affects some unknown processing of the component Websocket Handler. The manipulation with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

A buffer overflow in websockets in UnrealIRCd 6.1.0 through 6.1.3 before 6.1.4 allows an unauthenticated remote attacker to crash the server by sending an oversized packet (if a websocket port is open). Remote code execution might be possible on some uncommon, older platforms.

The weakness was released 12/17/2023. The advisory is shared at forums.unrealircd.org. The identification of this vulnerability is CVE-2023-50784 since 12/14/2023. Neither technical details nor an exploit are publicly available.

Upgrading to version 6.1.4 eliminates this vulnerability.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

• UnrealIRCd

Version

• 6.1.0
• 6.1.1
• 6.1.2
• 6.1.3

CPE 2.3info

• 🔍
• 🔍
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CPE 2.2info

• 🔍
• 🔍
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If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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