CVE-2018-0500

CRITICAL

Haxx Curl < 7.60.0 - Out-of-Bounds Write

Title source: rule

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 (6)

[Third Party Advisory, VDB Entry] http://www.securitytracker.com/id/1041280

[Third Party Advisory] https://access.redhat.com/errata/RHSA-2018:2486

[Exploit, Patch, Vendor Advisory] https://curl.haxx.se/docs/adv_2018-70a2.html

[Patch, Third Party Advisory] https://github.com/curl/curl/commit/ba1dbd78e5f1ed67c1b8d37ac89d90e5e330b628

View Patch ZIP pw:eip

[Third Party Advisory] https://security.gentoo.org/glsa/201807-04

[Third Party Advisory] https://usn.ubuntu.com/3710-1/

Scores

CVSS v3 9.8

EPSS 0.0115

EPSS Percentile 78.2%

Attack Vector NETWORK

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

Classification

CWE

CWE-787

Status published

Affected Products (3)

haxx/curl < 7.60.0

canonical/ubuntu_linux

canonical/ubuntu_linux

Timeline

Published Jul 11, 2018

Tracked Since Feb 18, 2026