CVE-2017-8283 Path traversal in n/a
Remote attackers can perform directory traversal via crafted Debian source packages due to lack of protection in dpkg-source.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-8283?
CVE-2017-8283 is a critical path traversal vulnerability in n/a, published on 26 Apr 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
dpkg-source in dpkg 1.3.0 through 1.18.23 is able to use a non-GNU patch program and does not offer a protection mechanism for blank-indented diff hunks, which allows remote attackers to conduct directory traversal attacks via a crafted Debian source package, as demonstrated by use of dpkg-source on NetBSD.
Weakness: CWE-22
Which versions are affected by CVE-2017-8283?
It affects 1 product.
Products include Debian Dpkg.
How do I fix CVE-2017-8283?
Upgrade to a fixed version.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2017-8283 being exploited?
There is no known exploitation of CVE-2017-8283 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2017-8283, GHSA-7cgr-cwf8-5c99.