CVE-2020-8231

Due to use of a dangling pointer, libcurl 7.29.0 through 7.71.1 can use the wrong connection when sending data.

CVSS v3.0 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:P/I:N/A:N

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://hackerone.com/reports/948876	Exploit Issue Tracking Patch Third Party Advisory
https://curl.haxx.se/docs/CVE-2020-8231.html	Patch Third Party Advisory
https://security.gentoo.org/glsa/202012-14	Third Party Advisory
https://www.debian.org/security/2021/dsa-4881	Third Party Advisory
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E	Mailing List Third Party Advisory
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E	Mailing List Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf	Patch Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2022.html	Patch Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:haxx:libcurl:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:a:siemens:sinec_infrastructure_network_services:*:*:*:*:*:*:*:*

Configuration 3 (hide)

cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

Configuration 4 (hide)

cpe:2.3:a:oracle:communications_cloud_native_core_policy:1.14.0:*:*:*:*:*:*:*

Information

Published : 2020-12-14 20:15

Updated : 2022-05-13 20:57

NVD link : CVE-2020-8231

Mitre link : CVE-2020-8231

JSON object : View

Products Affected

debian

debian_linux

oracle

communications_cloud_native_core_policy

siemens

sinec_infrastructure_network_services

haxx

libcurl

CWE

CWE-416

Use After Free

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