Deserialization in Code42 Crashplan
CVE-2017-9830
Remote Code Execution is possible in Code42 CrashPlan 5.4.x via the org.apache.commons.ssl.rmi.DateRMI Java class, because (upon instantiation) it creates an RMI server that listens on a TCP port and deserializes objects sent by TCP clients.
Vulnerability class: Insecure Deserialization
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.065 (93.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 93.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.065 · newest: 0.065 · change: 0.000
Affected products
- Code42 Crashplan — versions 5.4
Weakness classification (CWE)
Public proof-of-concept exploits
- securifera/CVE-2017-9830
- AdeliaNitzsche/Java-Deserialization-Cheat-Sheet
- BrittanyKuhn/javascript-tutorial
- GrrrDog/Java-Deserialization-Cheat-Sheet
- Hacker5preme/Exploits
- PalindromeLabs/Java-Deserialization-CVEs
- alphaSeclab/sec-daily-2019
- klausware/Java-Deserialization-Cheat-Sheet
- mishmashclone/GrrrDog-Java-Deserialization-Cheat-Sheet
References
- blog.radicallyopensecurity.com/CVE-2017-9830.html (Third Party Advisory)
Frequently asked questions
- What is CVE-2017-9830?
- CVE-2017-9830 is a critical-severity vulnerability in Code42 Crashplan, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2017-06-27.
- How severe is CVE-2017-9830?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2017-9830 known to be exploited?
- 9 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.