CVE-2017-5929 QOS.ch Logback vulnerable to Deserialization of Untrusted Data
Attackers can execute arbitrary code via unsafe deserialization in Logback's SocketServer and ServerSocketReceiver components.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-5929?
CVE-2017-5929 is a critical unsafe deserialization vulnerability in Redhat Satellite, published on 13 Mar 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
QOS.ch Logback before 1.2.0 has a serialization vulnerability affecting the SocketServer and ServerSocketReceiver components.
Weakness: CWE-502
Which versions are affected by CVE-2017-5929?
4 open source packages ship an affected version, including ch.qos.logback:logback-classic and ch.qos.logback:logback-core. It affects 3 products.
| Package | Affected | Fixed in |
|---|---|---|
ch.qos.logback:logback-classic Maven | All versions | 1.2.0 |
ch.qos.logback:logback-classic Maven | All versions | 1.2.0 |
ch.qos.logback:logback-core Maven | All versions | 1.2.0 |
ch.qos.logback:logback-core Maven | All versions | 1.2.0 |
Products include Qos Logback, Redhat Satellite, Redhat Satellite Capsule.
How do I fix CVE-2017-5929?
Upgrade ch.qos.logback:logback-classic to 1.2.0 or later.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2017-5929 being exploited?
There is no known exploitation of CVE-2017-5929 in the wild and no public exploit code.
Other vulnerabilities in Redhat Satellite
Sources
Also known as DEBIAN-CVE-2017-5929, DLA-888-1, GHSA-vmfg-rjjm-rjrj, MGASA-2019-0079, ROOT-APP-MAVEN-CVE-2017-5929, UBUNTU-CVE-2017-5929.