FreeBSD 11.3 IPv6 Hop-by-Hop Option use after free

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in FreeBSD 11.3. This vulnerability affects unknown code of the component IPv6 Hop-by-Hop Option Handler. Executing a manipulation can lead to use after free. The identification of this vulnerability is CVE-2020-7462. There is no exploit available. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability has been found in FreeBSD 11.3 (Operating System) and classified as critical. This vulnerability affects some unknown functionality of the component IPv6 Hop-by-Hop Option Handler. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was shared 09/02/2020 as FreeBSD-SA-20:24.ipv6 as confirmed security advisory (Website). The advisory is available at freebsd.org. This vulnerability was named CVE-2020-7462. The technical details are unknown and an exploit is not available.

Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The entries VDB-160836 and VDB-160835 are related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

01/21/2020 🔍
09/02/2020 +225 days 🔍
09/02/2020 +0 days 🔍
09/08/2020 +6 days 🔍
11/13/2020 +66 days 🔍

Sourcesinfo

Product: freebsd.org

Advisory: FreeBSD-SA-20:24.ipv6
Status: Confirmed

CVE: CVE-2020-7462 (🔍)
GCVE (CVE): GCVE-0-2020-7462
GCVE (VulDB): GCVE-100-160834
See also: 🔍

Entryinfo

Created: 09/08/2020 18:38
Updated: 11/13/2020 12:50
Changes: 09/08/2020 18:38 (40), 09/08/2020 18:43 (2), 11/12/2020 07:47 (1), 11/13/2020 12:50 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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