FreeBSD libfetch URL out-of-bounds write

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in FreeBSD. The affected element is an unknown function of the component libfetch. Such manipulation as part of URL leads to out-of-bounds write. This vulnerability is uniquely identified as CVE-2020-7450. The attack can be launched remotely. No exploit exists. Upgrading the affected component is advised. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Detailsinfo

A vulnerability was found in FreeBSD (Operating System) (version unknown) and classified as critical. Affected by this issue is an unknown function of the component libfetch. The manipulation as part of a URL 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. CVE summarizes:

In FreeBSD 12.1-STABLE before r357213, 12.1-RELEASE before 12.1-RELEASE-p2, 12.0-RELEASE before 12.0-RELEASE-p13, 11.3-STABLE before r357214, and 11.3-RELEASE before 11.3-RELEASE-p6, URL handling in libfetch with URLs containing username and/or password components is vulnerable to a heap buffer overflow allowing program misbehavior or malicious code execution.

The weakness was disclosed 02/18/2020. This vulnerability is handled as CVE-2020-7450 since 01/21/2020. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

Upgrading eliminates this vulnerability.

The entry VDB-150329 is pretty similar. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

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

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/21/2020 🔍
02/18/2020 +28 days 🔍
02/19/2020 +1 days 🔍
04/01/2024 +1503 days 🔍

Sourcesinfo

Product: freebsd.org

Advisory: security.FreeBSD.org
Status: Not defined

CVE: CVE-2020-7450 (🔍)
GCVE (CVE): GCVE-0-2020-7450
GCVE (VulDB): GCVE-100-150332
See also: 🔍

Entryinfo

Created: 02/19/2020 02:31 PM
Updated: 04/01/2024 01:44 PM
Changes: 02/19/2020 02:31 PM (36), 02/19/2020 02:36 PM (18), 04/01/2024 01:44 PM (18)
Complete: 🔍
Cache ID: 244:2FD:40

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