Vulnerability Description
Curl_smtp_escape_eob in lib/smtp.c in curl 7.54.1 to and including curl 7.60.0 has a heap-based buffer overflow that might be exploitable by an attacker who can control the data that curl transmits over SMTP with certain settings (i.e., use of a nonstandard --limit-rate argument or CURLOPT_BUFFERSIZE value).
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Haxx | Curl | >= 7.54.1, <= 7.60.0 |
| Canonical | Ubuntu Linux | 17.10 |
Related Weaknesses (CWE)
References
- http://www.securitytracker.com/id/1041280Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2018:2486Third Party Advisory
- https://curl.haxx.se/docs/adv_2018-70a2.htmlExploitPatchVendor Advisory
- https://github.com/curl/curl/commit/ba1dbd78e5f1ed67c1b8d37ac89d90e5e330b628PatchThird Party Advisory
- https://security.gentoo.org/glsa/201807-04Third Party Advisory
- https://usn.ubuntu.com/3710-1/Third Party Advisory
- http://www.securitytracker.com/id/1041280Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2018:2486Third Party Advisory
- https://curl.haxx.se/docs/adv_2018-70a2.htmlExploitPatchVendor Advisory
- https://github.com/curl/curl/commit/ba1dbd78e5f1ed67c1b8d37ac89d90e5e330b628PatchThird Party Advisory
- https://security.gentoo.org/glsa/201807-04Third Party Advisory
- https://usn.ubuntu.com/3710-1/Third Party Advisory
FAQ
What is CVE-2018-0500?
CVE-2018-0500 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Curl_smtp_escape_eob in lib/smtp.c in curl 7.54.1 to and including curl 7.60.0 has a heap-based buffer overflow that might be exploitable by an attacker who can control the data that curl transmits ov...
How severe is CVE-2018-0500?
CVE-2018-0500 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-2018-0500?
Check the references section above for vendor advisories and patch information. Affected products include: Haxx Curl, Canonical Ubuntu Linux.