Vulnerability Report

CVE-2017-8816

Title: Haxx Curl Memory Corruption

Memory Corruption

Proof Of Concept

No public PoC currently indexed for CVE-2017-8816.

CWE Category CWE-190

Published Date Nov 29, 2017

Modified Date Jun 17, 2026

Exploit Status Not Found

Score 9.8 CVSS v3.0

Exploit Probability (EPSS)

8.52%

Vulnerability Summary

CVE-2017-8816: The NTLM authentication feature in curl and libcurl before 7.57.0 on 32-bit platforms allows attackers to cause a denial of service (integer overflow and resultant buffer overflow, and application crash) or possibly have unspecified other impact via vectors involving long user and password fields.

Impacted Vendors

libcurl 1

daniel_stenberg 1

haxx 2

Reference Links

http://security.cucumberlinux.com/security/details.php?id=161 http://www.securityfocus.com/bid/101998 http://www.securitytracker.com/id/1039896 http://www.securitytracker.com/id/1040608 https://access.redhat.com/errata/RHSA-2018:3558 https://curl.haxx.se/docs/adv_2017-12e7.html https://security.gentoo.org/glsa/201712-04 https://www.debian.org/security/2017/dsa-4051 http://security.cucumberlinux.com/security/details.php?id=161 http://www.securityfocus.com/bid/101998 http://www.securitytracker.com/id/1039896 http://www.securitytracker.com/id/1040608 https://access.redhat.com/errata/RHSA-2018:3558 https://curl.haxx.se/docs/adv_2017-12e7.html https://security.gentoo.org/glsa/201712-04 https://www.debian.org/security/2017/dsa-4051

CVSS v3.1

Source Entity 134c704f-9b21-4f2e-91b3-4a467353bcc0

Severity CRITICAL

9.8

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.0

Source Entity [email protected]

Severity CRITICAL

9.8

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

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

CVSS v2.0

Source Entity [email protected]

Severity HIGH

7.5

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:L/Au:N/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns