CVE-2018-0500

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).

Score

CVSS 3.0 9.8 Critical

Status

Modified - security@debian.org

Published

2018-07-11

Last modified

2024-08-05

Weaknesses

CWE-122, CWE-787

Affected products

• Ubuntu Linux (Canonical)
• Curl (Haxx)

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/