FreeBSD 12.3/12.4/13.0/13.1 Ping pr_pack stack-based overflow

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.
7.0$5k-$25k0.10

A vulnerability was found in FreeBSD 12.3/12.4/13.0/13.1 (Operating System). It has been rated as critical. This issue affects the function pr_pack of the component Ping. The manipulation with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). Impacted is confidentiality, integrity, and availability.

The weakness was presented 12/01/2022. The advisory is shared at freebsd.org. The identification of this vulnerability is CVE-2022-23093. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 12/01/2022).

Applying a patch is able to eliminate this problem. The bugfix is ready for download at security.FreeBSD.org.

Productinfo

Type

Name

License

  • open-source

CPE 2.3info

CPE 2.2info

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: security.FreeBSD.org

Timelineinfo

01/10/2022 CVE reserved
12/01/2022 +325 days Advisory disclosed
12/01/2022 +0 days VulDB entry created
12/24/2022 +23 days VulDB last update

Sourcesinfo

Product: freebsd.org

Advisory: freebsd.org
Status: Confirmed

CVE: CVE-2022-23093 (🔒)

Entryinfo

Created: 12/01/2022 07:33 AM
Updated: 12/24/2022 11:08 PM
Changes: 12/01/2022 07:33 AM (39), 12/24/2022 11:08 PM (1)
Complete: 🔍

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