Vulnerability Monitor

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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.

Published

2017-11-29T18:29:00.300

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 9.8 (CRITICAL)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

6.4

Weaknesses

Type: Primary
CWE-190

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	haxx	curl	≤ 7.56.1	Yes
Application	haxx	libcurl	≤ 7.56.1	Yes
Operating System	debian	debian_linux	8.0	Yes
Operating System	debian	debian_linux	9.0	Yes

References

http://security.cucumberlinux.com/security/details.php?id=161 Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/101998 Third Party Advisory, VDB Entry ([email protected])
http://www.securitytracker.com/id/1039896 Third Party Advisory, VDB Entry ([email protected])
http://www.securitytracker.com/id/1040608 ([email protected])
https://access.redhat.com/errata/RHSA-2018:3558 ([email protected])
https://curl.haxx.se/docs/adv_2017-12e7.html Mitigation, Vendor Advisory ([email protected])
https://security.gentoo.org/glsa/201712-04 Third Party Advisory ([email protected])
https://www.debian.org/security/2017/dsa-4051 Third Party Advisory ([email protected])
http://security.cucumberlinux.com/security/details.php?id=161 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/101998 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1039896 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1040608 (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/errata/RHSA-2018:3558 (af854a3a-2127-422b-91ae-364da2661108)
https://curl.haxx.se/docs/adv_2017-12e7.html Mitigation, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/201712-04 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.debian.org/security/2017/dsa-4051 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)