oss-security - CVE-2020-13949: Apache Thrift: potential DoS when processing untrusted payloads

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Message-ID: <5AC665375A88489691186D327AC3D0FF@HAGGIS>
Date: Thu, 11 Feb 2021 23:43:29 +0100
From: "Jens Geyer" <jensg@...che.org>
To: <oss-security@...ts.openwall.com>,
	<security@...che.org>,
	"Thrift-Dev" <dev@...ift.apache.org>,
	<user@...ift.apache.org>
Subject: CVE-2020-13949: Apache Thrift: potential DoS when processing untrusted payloads

CVE-2020-13949: potential DoS when processing untrusted Thrift payloads

Severity: Important

Vendor:
The Apache Software Foundation

Versions Affected:
Apache Thrift up to and including 0.13.0

Description:
Applications using Thrift would not error upon receiving messages declaring containers of sizes larger than the payload. As a result, malicious RPC clients could send short messages which would result in a large memory allocation, potentially leading to denial of service.

Mitigation:
Upgrade to version 0.14.0

Credit:
This issue was reported by Hasnain Lakhani of Facebook.

On behalf of the Apache Thrift PMC,
Jens Geyer

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