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CVE-2016-8616

LOW
Published 2018-08-01T06:00:00
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CVSS Score

V3.0
3.7
/10
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.036
probability
of exploitation in the wild

There is a 3.6% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.872
Higher than 87.2% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
NONE
Integrity
LOW
Availability
NONE

Description

A flaw was found in curl before version 7.51.0 When re-using a connection, curl was doing case insensitive comparisons of user name and password with the existing connections. This means that if an unused connection with proper credentials exists for a protocol that has connection-scoped credentials, an attacker can cause that connection to be reused if s/he knows the case-insensitive version of the correct password.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

The Curl Project

curl

Affected Versions:

7.51.0

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed MODERATE

GHSA-22qv-x7vv-h86h

Advisory Details

A flaw was found in curl before version 7.51.0 When re-using a connection, curl was doing case insensitive comparisons of user name and password with the existing connections. This means that if an unused connection with proper credentials exists for a protocol that has connection-scoped credentials, an attacker can cause that connection to be reused if s/he knows the case-insensitive version of the correct password.

CVSS Scoring

CVSS Score

5.0

CVSS Vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2016-8616
WEB https://access.redhat.com/errata/RHSA-2018:2486
WEB https://access.redhat.com/errata/RHSA-2018:3558
WEB https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8616
WEB https://curl.haxx.se/CVE-2016-8616.patch
WEB https://curl.haxx.se/docs/adv_20161102B.html
WEB https://security.gentoo.org/glsa/201701-47
WEB https://www.tenable.com/security/tns-2016-21
WEB http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
WEB http://www.securityfocus.com/bid/94094
WEB http://www.securitytracker.com/id/1037192

Advisory provided by GitHub Security Advisory Database. Published: May 13, 2022, Modified: May 13, 2022

References

http://www.securityfocus.com/bid/94094
https://access.redhat.com/errata/RHSA-2018:3558
https://curl.haxx.se/docs/adv_20161102B.html
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8616
https://curl.haxx.se/CVE-2016-8616.patch
https://www.tenable.com/security/tns-2016-21
http://www.securitytracker.com/id/1037192
http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
https://access.redhat.com/errata/RHSA-2018:2486
https://security.gentoo.org/glsa/201701-47
Published: 2018-08-01T06:00:00
Last Modified: 2024-08-06T02:27:40.954Z
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