Zulip up to 5.2 API Event expression is always true

CVSS Meta Temp Score
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CTI Interest Score
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2.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Zulip up to 5.2. This impacts an unknown function of the component API Event Handler. Executing a manipulation can lead to expression is always true. This vulnerability is registered as CVE-2022-31017. It is possible to launch the attack remotely. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Zulip up to 5.2. It has been declared as problematic. This vulnerability affects some unknown functionality of the component API Event Handler. The manipulation with an unknown input leads to a expression is always true vulnerability. The CWE definition for the vulnerability is CWE-571. The product contains an expression that will always evaluate to true. As an impact it is known to affect confidentiality. CVE summarizes:

Zulip is an open-source team collaboration tool. Versions 2.1.0 through and including 5.2 are vulnerable to a logic error. A stream configured as private with protected history, where new subscribers should not be allowed to see messages sent before they were subscribed, when edited causes the server to incorrectly send an API event that includes the edited message to all of the stream’s current subscribers. This API event is ignored by official clients, but can be observed by using a modified client or the browser’s developer tools. This bug will be fixed in Zulip Server 5.3. There are no known workarounds.

The weakness was published 06/25/2022 as GHSA-m5j3-jp59-6f3q. The advisory is available at github.com. This vulnerability was named CVE-2022-31017 since 05/18/2022. The technical details are unknown and an exploit is not available.

Upgrading to version 5.3 eliminates this vulnerability.

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Productinfo

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 2.3
VulDB Meta Temp Score: 2.2

VulDB Base Score: 2.2
VulDB Temp Score: 2.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 2.6
NVD Vector: 🔍

CNA Base Score: 2.0
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Expression is always true
CWE: CWE-571 / CWE-697
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Zulip 5.3

Timelineinfo

05/18/2022 🔍
06/25/2022 +38 days 🔍
06/25/2022 +0 days 🔍
07/15/2022 +20 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-m5j3-jp59-6f3q
Status: Confirmed

CVE: CVE-2022-31017 (🔍)
GCVE (CVE): GCVE-0-2022-31017
GCVE (VulDB): GCVE-100-202750

Entryinfo

Created: 06/25/2022 15:06
Updated: 07/15/2022 09:40
Changes: 06/25/2022 15:06 (39), 07/15/2022 09:40 (28)
Complete: 🔍
Cache ID: 216::103

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