CVE-2018-0500
CRITICAL severity · CVSS 9.8 · Out-of-bounds write
9.8CVSS CRITICAL
Summary
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).
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)6%
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://curl.haxx.se/docs/adv_2018-70a2.html ↗
Additional information
- NVD record
- https://curl.haxx.se/docs/adv_2018-70a2.htmlPatch
- https://github.com/curl/curl/commit/ba1dbd78e5f1ed67c1b8d37ac89d90e5e330b628Patch
- http://www.securitytracker.com/id/1041280Advisory
- https://access.redhat.com/errata/RHSA-2018:2486Advisory
- https://security.gentoo.org/glsa/201807-04Advisory
- https://usn.ubuntu.com/3710-1/Advisory