CVE-2016-0755

Publication date 27 January 2016

Last updated 25 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.3 · High

Score breakdown

Description

The ConnectionExists function in lib/url.c in libcurl before 7.47.0 does not properly re-use NTLM-authenticated proxy connections, which might allow remote attackers to authenticate as other users via a request, a similar issue to CVE-2014-0015.

Read the notes from the security team

Status

Package Ubuntu Release Status
curl 15.10 wily
Fixed 7.43.0-1ubuntu2.1
15.04 vivid
Fixed 7.38.0-3ubuntu2.3
14.04 LTS trusty
Fixed 7.35.0-1ubuntu2.6
12.04 LTS precise
Fixed 7.22.0-3ubuntu4.15

Notes

jdstrand

curl landed in rc-proposed r394 on krillin: http://people.canonical.com/~lzemczak/landing-team/ubuntu-touch/rc-proposed/ubuntu/krillin/394.commitlog

Severity score breakdown

Parameter Value
Base score 7.3 · High
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality Low
Integrity impact Low
Availability impact Low
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

References

Related Ubuntu Security Notices (USN)

Other references