VDB-193281 · CVE-2021-43302 · GHSA-qcvw-h34v-c7r9

PJSIP PJSUA API pjsua_recorder_create filename out-of-bounds

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.3	$0-$5k	0.00

Summaryinfo

A vulnerability marked as problematic has been reported in PJSIP. Affected by this vulnerability is the function pjsua_recorder_create of the component PJSUA API. Performing a manipulation of the argument filename results in out-of-bounds. This vulnerability is identified as CVE-2021-43302. There is not any exploit available.

Detailsinfo

A vulnerability was found in PJSIP (the affected version is unknown). It has been classified as problematic. This affects the function pjsua_recorder_create of the component PJSUA API. The manipulation of the argument filename with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality.

The weakness was released 02/17/2022 as GHSA-qcvw-h34v-c7r9. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2021-43302 since 11/03/2021. Technical details are known, but no exploit is available.

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

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

PJSIP

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.3

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.1
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/03/2021 🔍
02/17/2022 +106 days 🔍
02/17/2022 +0 days 🔍
11/05/2025 +1357 days 🔍

Sourcesinfo

Advisory: GHSA-qcvw-h34v-c7r9
Status: Confirmed

CVE: CVE-2021-43302 (🔍)
GCVE (CVE): GCVE-0-2021-43302
GCVE (VulDB): GCVE-100-193281

Entryinfo

Created: 02/17/2022 08:27
Updated: 11/05/2025 02:00
Changes: 02/17/2022 08:27 (38), 02/19/2022 12:09 (1), 02/19/2022 12:17 (1), 11/05/2025 02:00 (33)
Complete: 🔍
Cache ID: 216::103