Resource exhaustion in Git - CVE-2017-15298
Published: May 11, 2018
Vulnerability identifier: #VU12599
CSH Severity: Low
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-15298
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists due to mishandling of layers of tree objects. A remote attacker can trigger disk consumption and cause the service to crash via a specially crafted repository, aka a Git bomb.
The weakness exists due to mishandling of layers of tree objects. A remote attacker can trigger disk consumption and cause the service to crash via a specially crafted repository, aka a Git bomb.
Affected software
Git
Amazon Linux AMI
Opensuse
Fedora
git
Amazon Linux AMI
Opensuse
Fedora
git
How to mitigate CVE-2017-15298
Install update from vendor's website.
git - addressed in versions 2.9.5-3.fc25, 2.13.6-2.fc26, 2.14.3-2.fc27