Apache Tapestry 5.3.6 HMAC Verification input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability was found in Apache Tapestry 5.3.6. It has been declared as critical. This vulnerability affects an unknown function of the component HMAC Verification. The manipulation with an unknown input leads to a privilege escalation vulnerability. The CWE definition for the vulnerability is CWE-20. As an impact it is known to affect confidentiality, integrity, and availability.

The bug was discovered 03/12/2019. The weakness was published 08/23/2019 by David Tomaschik as CVE-2019-10071: Timing Attack in HMAC Verification in Apache Tapestry as not defined mailinglist post (Full-Disclosure). The advisory is available at seclists.org. This vulnerability was named CVE-2019-10071 since 03/26/2019. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 08/11/2020).

The vulnerability was handled as a non-public zero-day exploit for at least 38 days. During that time the estimated underground price was around $5k-$25k.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at d3928ad44714b949d247af2652c84dae3c27e1b1. A possible mitigation has been published even before and not after the disclosure of the vulnerability.




CPE 2.3infoedit

CPE 2.2infoedit


VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.0

VulDB Base Score: 9.8
VulDB Temp Score: 9.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍



VulDB Base Score: 🔍
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VulDB Reliability: 🔍

NVD Base Score: 🔍


Class: Privilege escalation
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍


Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Remediation: 🔍


Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍

Patch: d3928ad44714b949d247af2652c84dae3c27e1b1


03/12/2019 🔍
03/13/2019 +1 days 🔍
03/26/2019 +13 days 🔍
04/19/2019 +24 days 🔍
08/23/2019 +126 days 🔍
09/03/2019 +11 days 🔍
08/11/2020 +343 days 🔍


Vendor: https://www.apache.org/

Advisory: CVE-2019-10071: Timing Attack in HMAC Verification in Apache Tapestry
Researcher: David Tomaschik
Status: Not defined

CVE: CVE-2019-10071 (🔍)


Created: 09/03/2019 07:11 AM
Updated: 08/11/2020 04:30 PM
Changes: (1) source_cve_assigned
Complete: 🔍


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