VDB-130476 · CVE-2019-1000021 · Qualys 172069

slixmpp up to 1.4.1 XEP-0223 Plugin access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in slixmpp up to 1.4.1. Impacted is an unknown function of the component XEP-0223 Plugin. The manipulation results in access control. This vulnerability is identified as CVE-2019-1000021. The attack can be executed remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, was found in slixmpp up to 1.4.1 (Messaging Software). Affected is an unknown part of the component XEP-0223 Plugin. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

slixmpp version before commit 7cd73b594e8122dddf847953fcfc85ab4d316416 contains an incorrect Access Control vulnerability in XEP-0223 plugin (Persistent Storage of Private Data via PubSub) options profile, used for the configuration of default access model that can result in all of the contacts of the victim can see private data having been published to a PEP node. This attack appears to be exploitable if the user of this library publishes any private data on PEP, the node isn't configured to be private. This vulnerability appears to have been fixed in commit 7cd73b594e8122dddf847953fcfc85ab4d316416 which is included in slixmpp 1.4.2.

The bug was discovered 01/17/2019. The weakness was released 02/04/2019 (Website). The advisory is shared for download at lists.fedoraproject.org. This vulnerability is traded as CVE-2019-1000021 since 02/04/2019. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability was handled as a non-public zero-day exploit for at least 18 days. During that time the estimated underground price was around $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 172069 (OpenSUSE Security Update for python-slixmpp (openSUSE-SU-2019:0163-1)).

Upgrading to version 1.4.2 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
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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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: slixmpp 1.4.2
Patch: lab.louiz.org

Timelineinfo

01/17/2019 🔍
02/04/2019 +18 days 🔍
02/04/2019 +0 days 🔍
02/05/2019 +1 days 🔍
07/04/2023 +1610 days 🔍

Sourcesinfo

Advisory: 7cd73b594e8122dddf847953fcfc85ab4d316416
Status: Not defined

CVE: CVE-2019-1000021 (🔍)
GCVE (CVE): GCVE-0-2019-1000021
GCVE (VulDB): GCVE-100-130476

Entryinfo

Created: 02/05/2019 11:20
Updated: 07/04/2023 18:51
Changes: 02/05/2019 11:20 (58), 05/07/2020 20:53 (2), 07/04/2023 18:44 (5), 07/04/2023 18:51 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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