Serial Killer Silently Pwning Your Java Endpoints
asd-f03-serial-killer-silently-pwning-your-java-endpoints asd-f03-serial-killer-silently-pwning-your-java-endpoints
#RSAC What to Check During Pentests? DAST Tips
Passive Deserializa;on Endpoint Detec;on Requests (or any network traffic) carrying serialized Java objects: Easy to spot due to magic bytes at the beginning: 0xAC 0xED … Some web-apps might use Base64 to store serialized data in Cookies, etc.: rO0 … Be aware that compression could’ve been applied before Base64 Several Burp-Plugins have been created recently to passively scan for Java serializa@on data as part of web traffic analysis Also test for non-web related (binary) traffic with network protocol analyzers 37
- Page 1 and 2: SESSION ID: ASD-F03 Alvaro Muñoz S
- Page 3 and 4: What is Java Serializa;on again? Ta
- Page 5 and 6: Standing on the Shoulder of Giants
- Page 7 and 8: Triggering Execu;on via "Magic Meth
- Page 9 and 10: Exploi;ng "Magic Methods" But what
- Page 11 and 12: Exploi;ng Invoca;onHandler (IH) Gad
- Page 13 and 14: New RCE Gadget in BeanShell (CVE-20
- Page 15 and 16: New RCE Gadget in Jython (CVE pendi
- Page 17 and 18: Demo of aMack Let’s take a look a
- Page 19 and 20: Exis;ng Mi;ga;on Advice Simply remo
- Page 21 and 22: Exis;ng Mi;ga;on Advice Simply remo
- Page 23 and 24: Bypassing LookAhead Blacklists New
- Page 25 and 26: Example (has been fixed) org.apache
- Page 27 and 28: Demo of bypass Let’s take a look
- Page 29 and 30: Exploi;ng JNA 1 2 calc.exe 3 4 ja
- Page 31 and 32: #RSAC Finding Vulnerabili;es & Gadg
- Page 33 and 34: Finding Direct Deserializa;on Endpo
- Page 35: Finding Gadgets for Fun & Profit Si
- Page 39 and 40: Hardening Advice #RSAC
- Page 41 and 42: Apply What You Have Learned Today N
#RSAC<br />
What to Check During Pentests?<br />
DAST Tips
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