Cisco Video Surveillance 7000 Link Layer Discovery Protocol double free

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.1 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as problematic, has been found in Cisco Video Surveillance 7000 7000. This issue affects some unknown processing of the component Link Layer Discovery Protocol. Performing a manipulation results in double free. This vulnerability is cataloged as CVE-2021-34734. The attack must originate from the local network. There is no exploit available. It is advisable to upgrade the affected component.
Details
A vulnerability, which was classified as problematic, was found in Cisco Video Surveillance 7000 7000 (Video Surveillance Software). This affects an unknown functionality of the component Link Layer Discovery Protocol. The manipulation with an unknown input leads to a double free vulnerability. CWE is classifying the issue as CWE-415. The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations. This is going to have an impact on availability.
The weakness was shared 08/19/2021 as cisco-sa-ipcamera-lldp-dos-OFP7j9j. It is possible to read the advisory at tools.cisco.com. This vulnerability is uniquely identified as CVE-2021-34734. The technical details are unknown and an exploit is not publicly available.
Upgrading eliminates this vulnerability.
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Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.cisco.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.3VulDB Meta Temp Score: 4.1
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Double freeCWE: CWE-415 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Partially
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
06/15/2021 🔍08/19/2021 🔍
08/19/2021 🔍
08/21/2021 🔍
Sources
Vendor: cisco.comAdvisory: cisco-sa-ipcamera-lldp-dos-OFP7j9j
Status: Confirmed
CVE: CVE-2021-34734 (🔍)
GCVE (CVE): GCVE-0-2021-34734
GCVE (VulDB): GCVE-100-181119
Entry
Created: 08/19/2021 06:52Updated: 08/21/2021 10:53
Changes: 08/19/2021 06:52 (39), 08/21/2021 10:48 (2), 08/21/2021 10:53 (1)
Complete: 🔍
Cache ID: 216::103
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