VDB-96789 · CVE-2017-5603 · BID 96174

Jitsi up to 2.9.5544 Message Carbon origin 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, which was classified as critical, was found in Jitsi up to 2.9.5544. This affects an unknown function of the component Message Carbon Handler. The manipulation with an unknown input leads to a origin validation vulnerability. CWE is classifying the issue as CWE-346. The software does not properly verify that the source of data or communication is valid. This is going to have an impact on confidentiality, and integrity. The summary by CVE is:

An incorrect implementation of "XEP-0280: Message Carbons" in multiple XMPP clients allows a remote attacker to impersonate any user, including contacts, in the vulnerable application's display. This allows for various kinds of social engineering attacks. This CVE is for Jitsi 2.5.5061 - 2.9.5544.

The bug was discovered 02/09/2017. The weakness was shared 02/09/2017 (Website). The advisory is shared at openwall.com. This vulnerability is uniquely identified as CVE-2017-5603 since 01/28/2017. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The entries 96783, 96784, 96785 and 96786 are related to this item.




  • open-source

CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.5
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
NVD Vector: 🔍



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

NVD Base Score: 🔍


Class: Origin validation
CWE: CWE-346 / CWE-345
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Threat Intelligenceinfo

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


Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: github.com


01/28/2017 🔍
02/09/2017 +12 days 🔍
02/09/2017 +0 days 🔍
02/09/2017 +0 days 🔍
02/09/2017 +0 days 🔍
02/10/2017 +1 days 🔍
11/12/2022 +2101 days 🔍


Advisory: 7d66da61b316c9480b63000f831b6de723b87315
Status: Not defined

CVE: CVE-2017-5603 (🔍)
SecurityFocus: 96174 - Jitsi CVE-2017-5603 User Impersonation Vulnerability
OSVDB: - CVE-2017-5603 - Jitsi - Impersonation Issue

See also: 🔍


Created: 02/10/2017 11:21 AM
Updated: 11/12/2022 03:51 PM
Changes: 02/10/2017 11:21 AM (62), 11/12/2022 03:51 PM (4)
Complete: 🔍


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