The document discusses the growing use of open-source software (OSS) and highlights security concerns associated with it, noting that 63% of enterprises express varying levels of worry over security issues. It emphasizes the importance of monitoring dependencies for vulnerabilities and implementing strategies such as tracking, updating, and fixing known security issues. Overall, it encourages a responsible approach to using OSS while remaining vigilant about potential risks.

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Stranger Danger
Guy Podjarny, Snyk
@guypod

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Open Source Is Awesome
Share Your Work
Reuse What Others Built
Focus on Creating Your Own New Thing

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Open Source Usage
Has Exploded

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78% of Enterprises
use Open Source

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Is Security a Concern
When Adopting OSS?
Number 1 concern: 13%
Number 2 concern: 29%
Number 3 concern: 21%
(Total: 63%)
Source: Wipro

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Open Source != Closely Inspected

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Open Source != Secure
Open Source != Insecure Either!

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Heartbleed

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Shellshock

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Logjam

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Open Source is
Less Tested For Security
OS Project Owners not aware/budgeted for security
OS consumers not engaged/aware of code

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Attackers Are
Targeting Open Source
One vulnerability, many victims

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How Do We Consume OSS?

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2000:
Select Open Source Providers
Apache, Linux, IBM, OpenSSL…

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2015:
Open Source Marketplaces
Everybody is a provider

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Ubuntu apt:
~54,000 packages
(trusty/LTS 14)

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Docker Hub:
~150,000 repos
~150M pulls (to-date)

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Node.js npm:
~250,000 packages
~10M downloads/day

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Your App

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Your Code
Your App

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Each Dependency Is A
Security Risk

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Do You Know
Which Dependencies
You Have?

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Do you know, for
EVERY SINGLE DEPENDENCY
if its developers have any
Security Expertise?

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Do you know, for
EVERY SINGLE DEPENDENCY
if it went through any
Security Testing?

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Do you know, for
EVERY SINGLE DEPENDENCY
if it has
Known Vulnerabilities?

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~30%
of Docker Hub images carry
Known Vulnerabilities
High Priority known vulnerabilites, to be exact
Source: BanyanOps Analysis

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~14%
of npm Packages Carry
Known Vulnerabilities
~80% of Snyk users found vulns in their apps
Source: Snyk data, Mar 2016

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~59% of Reported Vulnerabilities
in Maven Packages
Remain Unfixed
Mean Time to Repair: 390 days
MTTR for CVSS 10: 265 days
Source: Josh Corman & Dan Geer

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Do You Have Known
Vulnerabilities In Your Code?
Do you even know?

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What Can You Do?

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Not Use Third Parties

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Third Party
Binaries
Third Party
Code

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1. Track & Update Your Dep’s

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Aptitude-based (Ubuntu, Debian, etc): dpkg -l
RPM-based (Fedora, RHEL, etc): rpm -qa
pkg*-based (OpenBSD, FreeBSD, etc): pkg_info
Portage-based (Gentoo, etc): equery list or eix -I
pacman-based (Arch Linux, etc): pacman -Q
Cygwin: cygcheck --check-setup --dump-only *
Slackware: slapt-get --installed
http://unix.stackexchange.com/questions/20979/how-do-i-list-all-installed-programs
Tracking Outdated Binaries

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Node/Ruby
npm/bundle outdated
Track Outdated Code
(command line)
Python
pip list --outdated
Java
Maven Dep's Plugin

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Track Outdated Code
(SaaS)
GreenKeeper (Node.js)
Gemnasium (Ruby)
Requires.io (Python)
Libraries.io (all)

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1. Know What You’re Using
2. Drop What You Don’t Need

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Find Unused Binaries
(sort by last use date)
Ubuntu
UnusedPkg
Fedora
rpmusage

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Find Unused Code
(show unreferenced packages)
Node.js
depcheck
Ruby
gem stale
Java
Maven Dep's Plugin

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1. Know What You’re Using
2. Drop What You Don’t Need
3. Find & Fix Current Vulns

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Find Known Vulnerabilities
in Binaries
(by checking security updates)
Ubuntu
usn
Auto Sec Updates
Fedora
yum security
Auto Sec Updates

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Find Known Vulnerabilities
in Code
(Looking in vuln DB, upgrade to fix)
Client Side JS
RetireJS
Ruby
rubysec
Java
OWASP Dep's Check

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Find & Fix
Known Vulnerabilities
in npm dep’s

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To Fix, Upgrade
Could be hard for
indirect dependencies

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Can’t Upgrade? You can:
- Drop The Dependency
- Apply a security patch
- Prevent Exploits via WAF rules

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Test for Known Vulnerabilities
in Build (CI)& Deploys (CD)

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1. Know What You’re Using
2. Drop What You Don’t Need
3. Find & Fix Current Vulns
4. Monitor For New Vulns

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Newly Disclosed Vulnerabilities
Are Found On Old Code

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Register to Security Alerts
Platform Specific
Ubuntu
Node.js
OpenSSL
(your vendor sec list)
Broad Lists
US-CERT
NVD
OSVDB

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Snyk Monitor

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1. Know What You’re Using
2. Drop What You Don’t Need
3. Find & Fix Current Vulns
4. Monitor For New Vulns
5. Stay Alert

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The Risk Doesn’t End with
Known Vulnerabilities

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Your Code
Your App

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npm has 65,000+ publishers

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Do you know, for
EVERY SINGLE CONTRIBUTOR
if they’ve been…
Compromised?

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Developers are targeted as a
Distribution Channel
Ex: iOS Malware via Xcode Ghost

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Do you know, for
EVERY SINGLE CONTRIBUTOR
if they are…
MALICIOUS?

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Open Source Maintenance
is… complicated.

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If one component was evil,
Would you know?

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Isolate each system

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use low-privilege users

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Monitor Outbound
Communication

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Don’t Trust Your Own App
To the extent you can…

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Stay Alert

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1. Know What You’re Using
2. Drop What You Don’t Need
3. Find & Fix Current Vulns
4. Monitor For New Vulns
5. Stay Alert

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Open Source Is Awesome

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Open Source Is Awesome
Please Enjoy Responsibly
Questions?
Guy Podjarny, Snyk
@guypod