CVE-2018-0500 Information

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 Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

http://www.securitytracker.com/id/1041280 https://access.redhat.com/errata/RHSA-2018:2486 https://curl.haxx.se/docs/adv_2018-70a2.html https://curl.haxx.se/docs/adv_2018-70a2.html https://github.com/curl/curl/commit/ba1dbd78e5f1ed67c1b8d37ac89d90e5e330b628 https://github.com/curl/curl/commit/ba1dbd78e5f1ed67c1b8d37ac89d90e5e330b628 https://security.gentoo.org/glsa/201807-04 https://usn.ubuntu.com/3710-1/ 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). cpe:2.3:a:haxx:curl::::::::

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8