CVE-2018-0500

HIGH

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).

References

http://www.securitytracker.com/id/1041280

https://access.redhat.com/errata/RHSA-2018:2486

https://curl.haxx.se/docs/adv_2018-70a2.html

https://github.com/curl/curl/commit/ba1dbd78e5f1ed67c1b8d37ac89d90e5e330b628

https://security.gentoo.org/glsa/201807-04

https://usn.ubuntu.com/3710-1/

Details

Source: MITRE

Published: 2018-07-11

Modified: 2018-10-21

Type: CWE-119

Risk Information

CVSS v2.0

Base Score: 7.5

Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:P)

Impact Score: 6.4

Exploitability Score: 10

Severity: HIGH

CVSS v3.0

Base Score: 9.8

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

Impact Score: 5.9

Exploitability Score: 3.9

Severity: CRITICAL