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).

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

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

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/curl/curl/commit/ba1dbd78e5f1ed67c1b8d37ac89d90e5e330b628	Patch Third Party Advisory
https://curl.haxx.se/docs/adv_2018-70a2.html	Exploit Patch Vendor Advisory
https://usn.ubuntu.com/3710-1/	Third Party Advisory
http://www.securitytracker.com/id/1041280	Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2018:2486	Third Party Advisory
https://security.gentoo.org/glsa/201807-04	Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:17.10:::::::*

Information

Published : 2018-07-11 06:29

Updated : 2020-08-24 10:37

NVD link : CVE-2018-0500

Mitre link : CVE-2018-0500

JSON object : View

CWE

CWE-787

Out-of-bounds Write

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Products Affected

canonical

ubuntu_linux

haxx

curl

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