CVE-2017-17087 Information disclosure in n/a

What is CVE-2017-17087?

CVE-2017-17087 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 1 Dec 2017. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

fileio.c in Vim prior to 8.0.1263 sets the group ownership of a .swp file to the editor's primary group (which may be different from the group ownership of the original file), which allows local users to obtain sensitive information by leveraging an applicable group membership, as demonstrated by /etc/shadow owned by root:shadow mode 0640, but /etc/.shadow.swp owned by root:users mode 0640, a different vulnerability than CVE-2017-1000382.

Weakness: CWE-668

Which versions are affected by CVE-2017-17087?

It affects 3 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Vim Vim.

How do I fix CVE-2017-17087?

Upgrade to a fixed version.

Is CVE-2017-17087 being exploited?

There is no known exploitation of CVE-2017-17087 in the wild and no public exploit code.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

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

Also known as DEBIAN-CVE-2017-17087, GHSA-fmc8-f7rh-x4p9, UBUNTU-CVE-2017-17087.