VDB-215120 · CVE-2022-20968 · GCVE-0-2022-20968

Cisco IP Phone 7800/IP Phone 8800 Cisco Discovery Protocol out-of-bounds write

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.
8.4	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as critical has been found in Cisco IP Phone 7800 and IP Phone 8800. This issue affects some unknown processing of the component Cisco Discovery Protocol Handler. Such manipulation leads to out-of-bounds write. This vulnerability is referenced as CVE-2022-20968. The attack needs to be initiated within the local network. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Cisco IP Phone 7800 and IP Phone 8800 (IP Phone Software) (the affected version unknown). Affected by this issue is an unknown part of the component Cisco Discovery Protocol Handler. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability.

The weakness was published 12/08/2022 as cisco-sa-ipp-oobwrite-8cMF5r7U. The advisory is shared for download at tools.cisco.com. This vulnerability is handled as CVE-2022-20968 since 11/02/2021. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 01/01/2023).

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Productinfo

Type

IP Phone Software

Vendor

Cisco

Name

License

commercial

Website

Vendor: https://www.cisco.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.6
VulDB Meta Temp Score: 8.4

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 8.1
CNA Vector (Cisco Systems, Inc.): 🔍

CVSSv2info

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: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/02/2021 🔍
12/08/2022 +401 days 🔍
12/08/2022 +0 days 🔍
01/01/2023 +24 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-ipp-oobwrite-8cMF5r7U
Status: Confirmed

CVE: CVE-2022-20968 (🔍)
GCVE (CVE): GCVE-0-2022-20968
GCVE (VulDB): GCVE-100-215120

Entryinfo

Created: 12/08/2022 19:48
Updated: 01/01/2023 14:26
Changes: 12/08/2022 19:48 (39), 01/01/2023 14:25 (1), 01/01/2023 14:26 (20)
Complete: 🔍
Cache ID: 216::103