CVE-2018-12478 obs-service-replace_using_package_version allows to specify arbitrary input files

What is CVE-2018-12478?

CVE-2018-12478 is a medium-severity path traversal vulnerability in openSUSE Open Build Service, published on 9 Oct 2018. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

A Improper Input Validation vulnerability in Open Build Service allows remote attackers to extract files from the system where the service runs. Affected releases are openSUSE Open Build Service: status of is unknown.

Weakness: CWE-20

Which versions are affected by CVE-2018-12478?

It affects 1 product.

Products include Opensuse Open Build Service.

How do I fix CVE-2018-12478?

No fix has been published for CVE-2018-12478 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2018-12478 being exploited?

There is no known exploitation of CVE-2018-12478 in the wild and no public exploit code.

Other vulnerabilities in openSUSE Open Build Service

• CVE-2022-21949 Multiple XXE vulnerabilities in OBS High 8.8
• CVE-2013-3703 No write permission check in change_role command High 8.8
• CVE-2014-0594 CSRF protection incorrectly disabled High 8.8
• CVE-2021-36777 login-proxy sends password to attacker-provided domain High 8.1
• CVE-2011-3178 openbuildservice webui code injection High 8.1

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-5h3v-27vw-f738.