Zulip Server up to 1.5.x/1.6.x/1.7.1 Notification Mute cross site scripting

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.9$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Zulip Server up to 1.5.x/1.6.x/1.7.1. Affected by this vulnerability is an unknown functionality of the component Notification Mute Handler. Performing a manipulation results in cross site scripting. This vulnerability is known as CVE-2018-9987. Remote exploitation of the attack is possible. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in Zulip Server up to 1.5.x/1.6.x/1.7.1. This affects some unknown processing of the component Notification Mute Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. The summary by CVE is:

In Zulip Server versions 1.5.x, 1.6.x, and 1.7.x before 1.7.2, there was an XSS issue with muting notifications.

The bug was discovered 04/12/2018. The weakness was published 04/18/2018 (Website). The advisory is shared at blog.zulip.org. This vulnerability is uniquely identified as CVE-2018-9987 since 04/10/2018. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 6 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 1.7.2 eliminates this vulnerability.

Similar entries are available at VDB-116324, VDB-116326 and VDB-116327. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 5.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
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: Server 1.7.2

Timelineinfo

04/10/2018 🔍
04/12/2018 +2 days 🔍
04/18/2018 +5 days 🔍
04/18/2018 +0 days 🔍
04/18/2018 +0 days 🔍
01/25/2020 +647 days 🔍

Sourcesinfo

Advisory: blog.zulip.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-9987 (🔍)
GCVE (CVE): GCVE-0-2018-9987
GCVE (VulDB): GCVE-100-116325
See also: 🔍

Entryinfo

Created: 04/18/2018 16:14
Updated: 01/25/2020 20:11
Changes: 04/18/2018 16:14 (59), 01/25/2020 20:11 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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