CVE-2017-15671

CVSS V2 Medium 4.3 CVSS V3 Medium 5.9

Description

The glob function in glob.c in the GNU C Library (aka glibc or libc6) before 2.27, when invoked with GLOB_TILDE, could skip freeing allocated memory when processing the ~ operator with a long user name, potentially leading to a denial of service (memory leak).

Overview

CVE ID
CVE-2017-15671

Assigner
cve@mitre.org

Vulnerability Status
Modified

Published Version
2017-10-20T17:29:00

Last Modified Date
2019-10-03T00:03:26

Weakness Enumerations

CWE	URL
CWE-772	http://cwe.mitre.org/data/definitions/772.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:gnu:glibc::::::::	1	OR		2.26

CVSS Version 2

Version
2.0

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

Access Vector
NETWORK

Access Compatibility
MEDIUM

Authentication
NONE

Confidentiality Impact
NONE

Integrity Impact
NONE

Availability Impact
PARTIAL

Base Score
4.3

Severity
MEDIUM

Exploitability Score
8.6

Impact Score
2.9

CVSS Version 3

Version
3.0

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

Attack Vector
NETWORK

Attack Compatibility
HIGH

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
NONE

Availability Impact
HIGH

Base Score
5.9

Base Severity
MEDIUM

Exploitability Score
2.2

Impact Score
3.6

References

Reference URL	Reference Tags
https://sourceware.org/bugzilla/show_bug.cgi?id=22325	Issue Tracking Patch Third Party Advisory
http://www.securityfocus.com/bid/101517

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2017-15671
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-15671

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 17:23:29				Added to TrackCVE
2022-12-02 22:18:56	2017-10-20T17:29Z	2017-10-20T17:29:00	CVE Published Date	updated
2022-12-02 22:18:56		2019-10-03T00:03:26	CVE Modified Date	updated
2022-12-02 22:18:56		Modified	Vulnerability Status	updated