CRITICAL · 9.8

CVE-2018-1000300

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 mem...

Vulnerability 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.

CVSS Score

9.8

CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
HaxxCurl>= 7.54.1, <= 7.59.0
CanonicalUbuntu Linux14.04

Related Weaknesses (CWE)

References

FAQ

What is CVE-2018-1000300?

CVE-2018-1000300 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 mem...

How severe is CVE-2018-1000300?

CVE-2018-1000300 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2018-1000300?

Check the references section above for vendor advisories and patch information. Affected products include: Haxx Curl, Canonical Ubuntu Linux.