Smack up to 4.1.8 XMPP Library race condition

CVSS Meta Temp Score
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Smack up to 4.1.8. The affected element is an unknown function of the component XMPP Library. Performing a manipulation results in race condition. This vulnerability is identified as CVE-2016-10027. The attack can be initiated remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Smack up to 4.1.8. This affects an unknown code of the component XMPP Library. The manipulation with an unknown input leads to a race condition vulnerability. CWE is classifying the issue as CWE-362. The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Race condition in the XMPP library in Smack before 4.1.9, when the SecurityMode.required TLS setting has been set, allows man-in-the-middle attackers to bypass TLS protections and trigger use of cleartext for client authentication by stripping the "starttls" feature from a server response.

The bug was discovered 12/22/2016. The weakness was released 01/12/2017 (Website). It is possible to read the advisory at openwall.com. This vulnerability is uniquely identified as CVE-2016-10027 since 12/22/2016. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 7 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 96210 (Fedora 25 : smack (2016-897a1e6698)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 276331 (Fedora Security Update for smack (FEDORA-2016-897a1e6698)).

Upgrading to version 4.1.9 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (96210) and SecurityFocus (BID 95129†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.5

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

NVD Base Score: 5.9
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Race condition
CWE: CWE-362
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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Nessus ID: 96210
Nessus Name: Fedora 25 : smack (2016-897a1e6698)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 11141
OpenVAS Name: Fedora Update for smack FEDORA-2016-897a1e6698
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Smack 4.1.9
Patch: github.com

Timelineinfo

12/20/2016 🔍
12/22/2016 +2 days 🔍
12/22/2016 +0 days 🔍
12/29/2016 +7 days 🔍
01/03/2017 +5 days 🔍
01/12/2017 +9 days 🔍
01/12/2017 +0 days 🔍
01/13/2017 +1 days 🔍
10/25/2024 +2842 days 🔍

Sourcesinfo

Advisory: FEDORA-2016-897a1e6698
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-10027 (🔍)
GCVE (CVE): GCVE-0-2016-10027
GCVE (VulDB): GCVE-100-95211
SecurityFocus: 95129 - Ignite Realtime Smack CVE-2016-10027 Man in the Middle Security Bypass Vulnerability
OSVDB: - CVE-2016-10027 - Ignite Realtime - Smack - Man-in-the-Middle Issue

Entryinfo

Created: 01/13/2017 08:07
Updated: 10/25/2024 02:27
Changes: 01/13/2017 08:07 (68), 07/20/2020 12:31 (9), 10/28/2022 13:21 (4), 10/28/2022 13:27 (1), 10/28/2022 13:33 (1), 10/25/2024 02:27 (18)
Complete: 🔍
Cache ID: 216:D26:103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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