CVE-2018-1000300 Memory corruption in n/a

What is CVE-2018-1000300?

CVE-2018-1000300 is a critical memory corruption vulnerability in Canonical Ubuntu Linux, published on 24 May 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

curl version curl 7.54.1 to and including curl 7.59.0 contains a CWE-122: Heap-based Buffer Overflow vulnerability in denial of service and more that can result in curl might overflow a heap based memory buffer when closing down an FTP connection with very long server command replies.. This vulnerability appears to have been fixed in curl < 7.54.1 and curl >= 7.60.0.

Weakness: CWE-787

Which versions are affected by CVE-2018-1000300?

It affects 2 products.

Products include Canonical Ubuntu Linux, Haxx Curl.

How do I fix CVE-2018-1000300?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2018-1000300 being exploited?

There is no known exploitation of CVE-2018-1000300 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 ALPINE-CVE-2018-1000300, CLEANSTART-2026-MS57459, CURL-CVE-2018-1000300, DEBIAN-CVE-2018-1000300, GHSA-5vcr-2m3x-3m96, UBUNTU-CVE-2018-1000300.