Sangoma Asterisk up to 13.37.x/16.14.x/17.8.x/18.0.x SIP Message res_pjsip_diversion.c denial of service
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.8 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as problematic, was found in Sangoma Asterisk up to 13.37.x/16.14.x/17.8.x/18.0.x. The impacted element is an unknown function of the file res_pjsip_diversion.c of the component SIP Message Handler. The manipulation results in denial of service. This vulnerability is reported as CVE-2020-35652. No exploit exists. You should upgrade the affected component.
Details
A vulnerability classified as problematic has been found in Sangoma Asterisk up to 13.37.x/16.14.x/17.8.x/18.0.x (Communications System). Affected is some unknown functionality of the file res_pjsip_diversion.c of the component SIP Message Handler. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability.
The weakness was disclosed 01/29/2021. The advisory is shared for download at issues.asterisk.org. This vulnerability is traded as CVE-2020-35652. There are known technical details, but no exploit is available.
Upgrading to version 13.38.0, 16.15.0, 17.9.0 or 18.1.0 eliminates this vulnerability. The upgrade is hosted for download at downloads.asterisk.org.
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Product
Type
Vendor
Name
Version
- 13.0
- 13.1
- 13.2
- 13.3
- 13.4
- 13.5
- 13.6
- 13.7
- 13.8
- 13.9
- 13.10
- 13.11
- 13.12
- 13.13
- 13.14
- 13.15
- 13.16
- 13.17
- 13.18
- 13.19
- 13.20
- 13.21
- 13.22
- 13.23
- 13.24
- 13.25
- 13.26
- 13.27
- 13.28
- 13.29
- 13.30
- 13.31
- 13.32
- 13.33
- 13.34
- 13.35
- 13.36
- 13.37
- 16.0
- 16.1
- 16.2
- 16.3
- 16.4
- 16.5
- 16.6
- 16.7
- 16.8
- 16.9
- 16.10
- 16.11
- 16.12
- 16.13
- 16.14
- 17.0
- 17.1
- 17.2
- 17.3
- 17.4
- 17.5
- 17.6
- 17.7
- 17.8
- 18.0
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.0VulDB Meta Temp Score: 4.9
VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.5
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Denial of serviceCWE: CWE-404
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 Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Asterisk 13.38.0/16.15.0/17.9.0/18.1.0
Timeline
12/23/2020 🔍01/29/2021 🔍
01/29/2021 🔍
02/21/2021 🔍
Sources
Advisory: issues.asterisk.orgStatus: Confirmed
Confirmation: 🔍
CVE: CVE-2020-35652 (🔍)
GCVE (CVE): GCVE-0-2020-35652
GCVE (VulDB): GCVE-100-168912
Entry
Created: 01/29/2021 13:26Updated: 02/21/2021 16:43
Changes: 01/29/2021 13:26 (41), 02/21/2021 16:36 (6), 02/21/2021 16:43 (18)
Complete: 🔍
Cache ID: 216::103
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