CVE-2023-23914

Publication date 15 February 2023

Last updated 24 July 2024


Ubuntu priority

Cvss 3 Severity Score

9.1 · Critical

Score breakdown

A cleartext transmission of sensitive information vulnerability exists in curl <v7.88.0 that could cause HSTS functionality fail when multiple URLs are requested serially. Using its HSTS support, curl can be instructed to use HTTPS instead of usingan insecure clear-text HTTP step even when HTTP is provided in the URL. ThisHSTS mechanism would however surprisingly be ignored by subsequent transferswhen done on the same command line because the state would not be properlycarried on.

Read the notes from the security team

Status

Package Ubuntu Release Status
curl 23.04 lunar
Fixed 7.87.0-2ubuntu1
22.10 kinetic
Fixed 7.85.0-1ubuntu0.3
22.04 LTS jammy
Fixed 7.81.0-1ubuntu1.8
20.04 LTS focal
Not affected
18.04 LTS bionic
Not affected
16.04 LTS xenial
Not affected
14.04 LTS trusty
Not affected

Notes


mdeslaur

introduced in 7.77

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
curl

Severity score breakdown

Parameter Value
Base score 9.1 · Critical
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

References

Related Ubuntu Security Notices (USN)

    • USN-5891-1
    • curl vulnerabilities
    • 27 February 2023

Other references