CVE-2016-7167

CVSS V2 High 7.5 CVSS V3 Critical 9.8

Description

Multiple integer overflows in the (1) curl_escape, (2) curl_easy_escape, (3) curl_unescape, and (4) curl_easy_unescape functions in libcurl before 7.50.3 allow attackers to have unspecified impact via a string of length 0xffffffff, which triggers a heap-based buffer overflow.

Overview

CVE ID
CVE-2016-7167

Assigner
cve@mitre.org

Vulnerability Status
Modified

Published Version
2016-10-07T14:59:08

Last Modified Date
2018-11-13T11:29:03

Weakness Enumerations

CWE	URL
CWE-190	http://cwe.mitre.org/data/definitions/190.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version End
cpe:2.3:o:fedoraproject:fedora:23:::::::*	1	OR
cpe:2.3:o:fedoraproject:fedora:24:::::::*	1	OR
cpe:2.3:o:fedoraproject:fedora:25:::::::*	1	OR
cpe:2.3:a:haxx:libcurl::::::::	1	OR	7.50.2

CVSS Version 2

Version
2.0

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

Access Vector
NETWORK

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
PARTIAL

Integrity Impact
PARTIAL

Availability Impact
PARTIAL

Base Score
7.5

Severity
HIGH

Exploitability Score
10

Impact Score
6.4

CVSS Version 3

Version
3.0

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

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
9.8

Base Severity
CRITICAL

Exploitability Score
3.9

Impact Score
5.9

References

Reference URL	Reference Tags
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/B3IU2FRXQNU6UJIQT4NGLWWTP2GJQXO7/	Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LTH54DFOS4TSYPG5XKJDGAG4XPAR4T7M/	Third Party Advisory
http://www.securityfocus.com/bid/92975	Broken Link
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZMRWVISG7VUCYRMF23A2UHMYD72VQWAK/	Third Party Advisory
https://curl.haxx.se/docs/adv_20160914.html	Vendor Advisory
http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.538632	Third Party Advisory
http://www.securitytracker.com/id/1036813	Third Party Advisory VDB Entry
https://security.gentoo.org/glsa/201701-47
https://access.redhat.com/errata/RHSA-2017:2016
https://access.redhat.com/errata/RHSA-2018:2486
http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
https://lists.debian.org/debian-lts-announce/2018/11/msg00005.html
https://access.redhat.com/errata/RHSA-2018:3558

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2016-7167
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7167

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 17:53:16				Added to TrackCVE
2022-12-02 11:33:17	2016-10-07T14:59Z	2016-10-07T14:59:08	CVE Published Date	updated
2022-12-02 11:33:17		2018-11-13T11:29:03	CVE Modified Date	updated
2022-12-02 11:33:17		Modified	Vulnerability Status	updated