Alpaquita LinuxStreamSecurity Advisory
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CVE-2020-8616

Published: August 31, 2023Last modified: August 31, 2023

Description

A malicious actor who intentionally exploits this lack of effective limitation on the number of fetches performed when processing referrals can, through the use of specially crafted referrals, cause a recursing server to issue a very large number of fetches in an attempt to process the referral. This has at least two potential effects: The performance of the recursing server can potentially be degraded by the additional work required to perform these fetches, and The attacker can exploit this behavior to use the recursing server as a reflector in a reflection attack with a high amplification factor.

Severity score breakdown

ParameterValue
Base score8.6
Attack VectorNETWORK
Attack complexityLOW
Privileges requiredNONE
User interactionNONE
ScopeCHANGED
ConfidentialityNONE
Integrity impactNONE
Availability impactHIGH
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Status

ProductReleasePackageStatus
Alpaquita Linux23 LTSbindNot affected (9.18.16-r0)
StreambindNot affected (9.18.18-r0)

References

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