PJSIP up to 2.7.0 key management

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, which was classified as critical, was found in PJSIP up to 2.7.0. Impacted is an unknown function. Such manipulation leads to key management. This vulnerability is traded as CVE-2017-16875. The attack may be launched remotely. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in PJSIP up to 2.7.0. It has been rated as critical. Affected by this issue is some unknown functionality. The manipulation with an unknown input leads to a key management vulnerability. Using CWE to declare the problem leads to CWE-320. Impacted is confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered in Teluu pjproject (pjlib and pjlib-util) in PJSIP before 2.7.1. The ioqueue component may issue a double key unregistration after an attacker initiates a socket connection with specific settings and sequences. Such double key unregistration will trigger an integer overflow, which may cause ioqueue backends to reject future key registrations.

The bug was discovered 11/07/2017. The weakness was shared 11/17/2017 (Website). The advisory is shared for download at trac.pjsip.org. This vulnerability is handled as CVE-2017-16875 since 11/17/2017. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1600.001.

The vulnerability was handled as a non-public zero-day exploit for at least 10 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 108906 (Debian DSA-4170-1 : pjproject - security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176350 (Debian Security Update for pjproject (DSA 4170-1)).

Upgrading to version 2.7.1 eliminates this vulnerability. A possible mitigation has been published 6 months after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (108906). The entries VDB-109663, VDB-114397 and VDB-114398 are related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

Version

License

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: Key management
CWE: CWE-320
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: 108906
Nessus Name: Debian DSA-4170-1 : pjproject - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 55511
OpenVAS Name: Debian Security Advisory DSA 4170-1 (pjproject - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: PJSIP 2.7.1

Timelineinfo

11/07/2017 🔍
11/17/2017 +10 days 🔍
11/17/2017 +0 days 🔍
11/17/2017 +0 days 🔍
11/18/2017 +1 days 🔍
04/09/2018 +142 days 🔍
04/10/2018 +1 days 🔍
01/11/2023 +1737 days 🔍

Sourcesinfo

Advisory: 2055
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-16875 (🔍)
GCVE (CVE): GCVE-0-2017-16875
GCVE (VulDB): GCVE-100-109664

OVAL: 🔍
See also: 🔍

Entryinfo

Created: 11/18/2017 08:59
Updated: 01/11/2023 06:36
Changes: 11/18/2017 08:59 (64), 12/08/2019 13:49 (12), 01/11/2023 06:36 (4)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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