Critical severity · published Jul 11, 2018
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…
9.8
CVSS
6.4%
EPSS
No
On KEV
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
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)6.4% · higher than 94% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CU
Curl · Haxx
7.54.1 through 7.60.0 · source: NVD
UL
Ubuntu Linux · Canonical
17.10; 18.04 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-0500
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-0500
Third Party Advisory
http://www.securitytracker.com/id/1041280
Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2486
Exploit
https://curl.haxx.se/docs/adv_2018-70a2.html
Patch
https://github.com/curl/curl/commit/ba1dbd78e5f1ed67c1b8d37ac89d90e5e330b628
Third Party Advisory
https://security.gentoo.org/glsa/201807-04
Third Party Advisory
https://usn.ubuntu.com/3710-1/
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