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CVE-2016-9952

HIGH
Published 2018-03-12T21:00:00
Actions:

Expert Analysis

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CVSS Score

V3.1
8.1
/10
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2023.03.01
0.002
probability
of exploitation in the wild

There is a 0.2% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-01-25
Exploit Probability
Percentile: 0.559
Higher than 55.9% of all CVEs

Attack Vector Metrics

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

Impact Metrics

Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Description

The verify_certificate function in lib/vtls/schannel.c in libcurl 7.30.0 through 7.51.0, when built for Windows CE using the schannel TLS backend, makes it easier for remote attackers to conduct man-in-the-middle attacks via a crafted wildcard SAN in a server certificate, as demonstrated by "*.com."

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

haxx

curl

Affected Versions:

7.27.0

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-j357-mfhx-p456

Advisory Details

The verify_certificate function in lib/vtls/schannel.c in libcurl 7.30.0 through 7.51.0, when built for Windows CE using the schannel TLS backend, makes it easier for remote attackers to conduct man-in-the-middle attacks via a crafted wildcard SAN in a server certificate, as demonstrated by "*.com."

CVSS Scoring

CVSS Score

7.5

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2016-9952
WEB https://curl.haxx.se/CVE-2016-9952.patch
WEB https://curl.haxx.se/docs/adv_20161221B.html

Advisory provided by GitHub Security Advisory Database. Published: May 14, 2022, Modified: May 14, 2022

References

https://curl.haxx.se/docs/adv_20161221B.html
https://curl.haxx.se/CVE-2016-9952.patch
Published: 2018-03-12T21:00:00
Last Modified: 2024-08-07T19:19:13.575Z
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