CVE-2018-15796 Signing Key Extraction in Bits Service Release
Attackers can extract signing keys from insecurely hashed URLs to gain full read and write access to Bits Service storage.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-15796?
CVE-2018-15796 is a high-severity vulnerability in Cloud Foundry bits-service-release, published on 9 Nov 2018. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Cloud Foundry Bits Service Release, versions prior to 2.14.0, uses an insecure hashing algorithm to sign URLs. A remote malicious user may obtain a signed URL and extract the signing key, allowing them complete read and write access to the the Bits Service storage.
Weakness: CWE-326
Which versions are affected by CVE-2018-15796?
It affects 1 product.
Products include Pivotal Software Bits Service.
How do I fix CVE-2018-15796?
No fix has been published for CVE-2018-15796 yet. Limit exposure of the affected software until one is available.
Is CVE-2018-15796 being exploited?
There is no known exploitation of CVE-2018-15796 in the wild and no public exploit code.
Sources
Also known as GHSA-xx5w-cqxh-w2m4.