janus-gateway up to 0.10.0 utils.c janus_get_codec_from_pt Packet buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.3$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in janus-gateway up to 0.10.0. Affected by this issue is the function janus_get_codec_from_pt of the file utils.c. Such manipulation as part of Packet leads to buffer overflow. This vulnerability is referenced as CVE-2020-14034. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability was found in janus-gateway up to 0.10.0 and classified as critical. Affected by this issue is the function janus_get_codec_from_pt of the file utils.c. The manipulation as part of a Packet leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered in janus-gateway (aka Janus WebRTC Server) through 0.10.0. janus_get_codec_from_pt in utils.c has a Buffer Overflow via long value in an SDP Offer packet.

The weakness was published 06/15/2020 (GitHub Repository). The advisory is shared for download at github.com. This vulnerability is handled as CVE-2020-14034 since 06/11/2020. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 249914 (Linux Distros Unpatched Vulnerability : CVE-2020-14034), which helps to determine the existence of the flaw in a target environment.

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

The vulnerability is also documented in the vulnerability database at Tenable (249914). Similar entry is available at VDB-156739. Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.3

VulDB Base Score: 7.3
VulDB Temp Score: 6.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
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: Buffer overflow
CWE: CWE-120 / CWE-119
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: 249914
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2020-14034

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/11/2020 🔍
06/15/2020 +4 days 🔍
06/16/2020 +1 days 🔍
08/18/2025 +1888 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2020-14034 (🔍)
GCVE (CVE): GCVE-0-2020-14034
GCVE (VulDB): GCVE-100-156740
See also: 🔍

Entryinfo

Created: 06/16/2020 09:29
Updated: 08/18/2025 01:47
Changes: 06/16/2020 09:29 (39), 06/16/2020 09:34 (17), 10/24/2020 17:00 (1), 08/18/2025 01:47 (18)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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