HackerOne
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SANS Holiday Hack Challenge holidayhackchallenge.com
PoC exploits for CVE-2020-17143 and CVE-2020-17141 which demonstrate the XXE bugs against Exchange Server.

- Low privileged authentication only
- CVE-2020-17141 is interesting because its in the EWS API

https://srcincite.io/pocs/cve-2020-17143.py.txt
https://srcincite.io/pocs/cve-2020-17141.py.txt
😐
Israel based hacking company Celebite claims to have cracked the encryption of Signal messenger.

https://www.cellebrite.com/en/blog/cellebrites-new-solution-for-decrypting-the-signal-app/

Response from the creator of Signal:
https://mobile.twitter.com/moxie/status/1337434126186553345

Reference:
https://www.bbc.com/news/amp/technology-55412230
Google hackers disclose exploit for an UNPATCHED Windows vulnerability (CVE-2020-0986) that was exploited as 0-day in the wild, for which Microsoft issued an incomplete patch and then failed to patch it again under the 90-day deadline.

Read — https://thehackernews.com/2020/12/google-discloses-poorly-patched-now.html
Best of Linux Privilege Escalation

Linux Privilege Escalation using Capabilities
https://lnkd.in/fuj7vUD

Lxd Privilege Escalation
https://lnkd.in/gRfBdJt

Docker Privilege Escalation
https://lnkd.in/f9kreJj

Exploiting Wildcard for Privilege Escalation
https://lnkd.in/dj3dagD

Linux Privilege Escalation using LD_Preload
https://lnkd.in/gbZJ9Mn

Linux Privilege Escalation Using PATH Variable
https://lnkd.in/fDNjsgB

Linux Privilege Escalation using Misconfigured NFS
https://lnkd.in/fgJfS3x

Linux Privilege Escalation using Sudo Rights
https://lnkd.in/fxPnTiU

Linux Privilege Escalation using SUID Binaries
https://lnkd.in/fkciJKr

Editing /etc/passwd File for Privilege Escalation
https://lnkd.in/fVj3c28