Bug#1009678: haskell-aeson: CVE-2021-41119 - JSON DoS Vulnerability in Haskell's Aeson library

[Salvatore Bonaccorso]

Control: retitle -1 haskell-aeson: CVE-2022-3433: JSON DoS Vulnerability in Haskell's Aeson library

On Thu, Apr 14, 2022 at 09:46:48AM +0100, Neil Williams wrote:
> Source: haskell-aeson
> Version: 1.4.7.1-2
> Severity: important
> Tags: security
> X-Debbugs-Cc: codehelp at debian.org, Debian Security Team <team at security.debian.org>
> 
> 
> Hi,
> 
> The following vulnerability was published for haskell-aeson.
> 
> CVE-2021-41119[0]:
> | Wire-server is the system server for the wire back-end services.
> | Releases prior to v2022-03-01 are subject to a denial of service
> | attack via a crafted object causing a hash collision. This collision
> | causes the server to spend at least quadratic time parsing it which
> | can lead to a denial of service for a heavily used server. The issue
> | has been fixed in wire-server 2022-03-01 and is already deployed on
> | all Wire managed services. On premise instances of wire-server need to
> | be updated to 2022-03-01, so that their backends are no longer
> | affected. There are no known workarounds for this issue.

As the CVE is specific to wire-server using the vulnerable aeson
library, Red Hat has assigned a CVE specific for the library itself as
CVE-2022-3433.

Retitling accordingly.

Regards,
Salvatore