Improper Handling of Highly Compressed Data in aaugustin Websockets
CVE-2018-1000518

7.5HIGH

Key Information:

Vendor

Websockets Project

Status
Websockets
Vendor
CVE Published:
26 June 2018

What is CVE-2018-1000518?

The aaugustin websockets, specifically version 4, contains a vulnerability that stems from improper handling of highly compressed data, which can lead to Denial of Service through memory exhaustion. This vulnerability occurs unless the configuration is set to compression=None. Attackers can exploit this flaw by sending specially crafted frames on an established connection, potentially crashing services and affecting availability. Users are encouraged to upgrade to version 5 where this issue has been addressed.

References

https://github.com/aaugustin/websockets/pull/407
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.