
SN 946: CitrixBleed - iMessage Contact Key Verification, HackerOne bug bounty news, CISA's Logging Made Easy
10/31/23 • 121 min
- What caused last week's connection interruption? Router was rebooting intermittently, but why?
- David Redekop of AdamNetworks explained their enterprise network security solution aims to only allow known safe connections, blocking everything else.
- iMessage gets Contact Key Verification to confirm new devices added to an account belong to the contact.
- Public Interest Research Group asks Microsoft to extend Windows 10 support beyond 2025.
- HackerOne breach bounties surpass $300M total payout.
- CISA releases free Logging Made Easy toolkit to enhance Windows logging capabilities.
- SpinRite 6.1 pre-release 2 published, likely final pre-release with some testing remaining before full launch.
- Moving the Internet fully to IPv6 likely won't happen until IPv4 addresses are fully consumed.
- Open source projects struggle with costly code signing certificates.
- Deep dive into CitrixBleed vulnerability allowing authentication bypass.
Show Notes - https://www.grc.com/sn/SN-946-Notes.pdf
Hosts: Steve Gibson and Leo Laporte
Download or subscribe to this show at https://twit.tv/shows/security-now.
Get episodes ad-free with Club TWiT at https://twit.tv/clubtwit
You can submit a question to Security Now at the GRC Feedback Page.
For 16kbps versions, transcripts, and notes (including fixes), visit Steve's site: grc.com, also the home of the best disk maintenance and recovery utility ever written Spinrite 6.
Sponsors:
- What caused last week's connection interruption? Router was rebooting intermittently, but why?
- David Redekop of AdamNetworks explained their enterprise network security solution aims to only allow known safe connections, blocking everything else.
- iMessage gets Contact Key Verification to confirm new devices added to an account belong to the contact.
- Public Interest Research Group asks Microsoft to extend Windows 10 support beyond 2025.
- HackerOne breach bounties surpass $300M total payout.
- CISA releases free Logging Made Easy toolkit to enhance Windows logging capabilities.
- SpinRite 6.1 pre-release 2 published, likely final pre-release with some testing remaining before full launch.
- Moving the Internet fully to IPv6 likely won't happen until IPv4 addresses are fully consumed.
- Open source projects struggle with costly code signing certificates.
- Deep dive into CitrixBleed vulnerability allowing authentication bypass.
Show Notes - https://www.grc.com/sn/SN-946-Notes.pdf
Hosts: Steve Gibson and Leo Laporte
Download or subscribe to this show at https://twit.tv/shows/security-now.
Get episodes ad-free with Club TWiT at https://twit.tv/clubtwit
You can submit a question to Security Now at the GRC Feedback Page.
For 16kbps versions, transcripts, and notes (including fixes), visit Steve's site: grc.com, also the home of the best disk maintenance and recovery utility ever written Spinrite 6.
Sponsors:
Previous Episode

SN 945: The Power of Privilege - New cURL vulnerabilities, CVSS 10.0 Cisco Nightmare, So long VBScript!
- How fake drives continue to be sold on Amazon despite negative reviews
- Microsoft is discontinuing support for the VBScript language
- The 30-year old NTLM authentication protocol will eventually be removed from Windows
- Two new vulnerabilities found in cURL
- A new Cisco router vulnerability rated CVSS 10.0 was used to hack over 40,000 devices
- Debate over whether "lib" should rhyme with "vibe" or "air"
- Instructions for accessing the SpinRite 6.1 pre-release version
- Feedback on passkey exportability and server IP address encryption
- A listener asks if ransomware can encrypt already encrypted files
- How Privacy Badger un-rewrites Google's search result links
- The NSA and CISA warn about the power of privilege and the dangers of account misconfigurations like privilege creep, elevated service account permissions, and non-essential use of elevated accounts
Show Notes - https://www.grc.com/sn/SN-945-Notes.pdf
Hosts: Steve Gibson and Leo Laporte
Download or subscribe to this show at https://twit.tv/shows/security-now.
Get episodes ad-free with Club TWiT at https://twit.tv/clubtwit
You can submit a question to Security Now at the GRC Feedback Page.
For 16kbps versions, transcripts, and notes (including fixes), visit Steve's site: grc.com, also the home of the best disk maintenance and recovery utility ever written Spinrite 6.
Sponsors:
Next Episode

SN 947: Article 45 - Citrix Bleed update, Ace Hardware cyberattack, Bitwarden get Passkeys
- Microsoft announced storing their Azure keys in an HSM after previously losing control of a private signing key
- A quartet of new 0-day vulnerabilities in Exchange Server that Microsoft declined to fix
- Apache ActiveMQ servers under attack exploiting a 0-day, with over half of publicly exposed servers vulnerable
- Update on the Citrix Bleed vulnerability with evidence of hackers gaining access and post-exploitation activity
- CVSS version 4 released with new metrics for better granularity and clarity of vulnerability scores
- Ace Hardware suffered a cyberattack impacting servers and systems
- Google abandons controversial "Web DRM" proposal to let sites restrict browser extensions
- Analysis of "BadCandy" malware infecting vulnerable Cisco routers
- Bitwarden password manager adds support for FIDO2 passkeys in browser extension
- Rescuing a severely degraded SSD and bringing it back to life with SpinRite
- Feedback from listeners on IPv6 adoption, factors for choosing crypto primes, installing Windows 11, and more
- The brewing battle in the EU over proposed eIDAS regulation Article 45 that could ban security checks on root certificates and undermine encrypted web traffic
Show Notes - https://www.grc.com/sn/SN-947-Notes.pdf
Hosts: Steve Gibson and Leo Laporte
Download or subscribe to this show at https://twit.tv/shows/security-now.
Get episodes ad-free with Club TWiT at https://twit.tv/clubtwit
You can submit a question to Security Now at the GRC Feedback Page.
For 16kbps versions, transcripts, and notes (including fixes), visit Steve's site: grc.com, also the home of the best disk maintenance and recovery utility ever written Spinrite 6.
Sponsors:
If you like this episode you’ll love
Episode Comments
Generate a badge
Get a badge for your website that links back to this episode
<a href="https://goodpods.com/podcasts/security-now-audio-297831/sn-946-citrixbleed-imessage-contact-key-verification-hackerone-bug-bou-39748780"> <img src="https://storage.googleapis.com/goodpods-images-bucket/badges/generic-badge-1.svg" alt="listen to sn 946: citrixbleed - imessage contact key verification, hackerone bug bounty news, cisa's logging made easy on goodpods" style="width: 225px" /> </a>
Copy