CVE-2018-19935 : ext/imap/php_imap.c in PHP 5.x and 7.x before 7.3.0 allows remote attackers to c

ext/imap/php_imap.c in PHP 5.x and 7.x before 7.3.0 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via an empty string in the message argument to the imap_mail function.

Published 2018-12-07 09:29:00

Updated 2022-08-29 20:03:31

Source MITRE

View at NVD, CVE.org

Vulnerability category: Memory CorruptionDenial of service

Products affected by CVE-2018-19935

Debian » Debian Linux » Version: 8.0
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
Matching versions
Debian » Debian Linux » Version: 9.0
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Matching versions
PHP » PHP
Versions from including (>=) 7.1.0 and before (<) 7.1.26
cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
Matching versions
PHP » PHP
Versions from including (>=) 7.2.0 and before (<) 7.2.14
cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
Matching versions
PHP » PHP
Versions from including (>=) 7.0.0 and before (<) 7.0.33
cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
Matching versions
PHP » PHP
Versions from including (>=) 5.6.0 and before (<) 5.6.39
cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
Matching versions

Threat overview for CVE-2018-19935

Top countries where our scanners detected CVE-2018-19935

Top open port discovered on systems with this issue 80

IPs affected by CVE-2018-19935 393,802

Threat actors abusing to this issue? Yes

Find out if you^* are affected by CVE-2018-19935!

^*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2018-19935

EPSS FAQ

16.67%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 94 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2018-19935

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:N/I:N/A:P	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE ids for CVE-2018-19935

CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2018-19935

https://lists.debian.org/debian-lts-announce/2018/12/msg00006.html

[SECURITY] [DLA 1608-1] php5 security update
Third Party Advisory

CVEs referencing this url
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00041.html

[security-announce] openSUSE-SU-2019:1572-1: moderate: Security update f
Mailing List;Third Party Advisory

CVEs referencing this url
https://www.debian.org/security/2018/dsa-4353

Debian -- Security Information -- DSA-4353-1 php7.0
Third Party Advisory

CVEs referencing this url
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00044.html

[security-announce] openSUSE-SU-2019:1573-1: moderate: Security update f
Mailing List;Third Party Advisory

CVEs referencing this url
https://bugs.php.net/bug.php?id=77020

PHP :: Sec Bug #77020 :: null pointer dereference in imap_mail
Issue Tracking;Vendor Advisory;Patch
https://security.netapp.com/advisory/ntap-20181221-0003/

CVE-2018-19935 PHP Vulnerability in NetApp Products | NetApp Product Security
Third Party Advisory
http://www.securityfocus.com/bid/106143

PHP CVE-2018-19935 Denial of Service Vulnerability
Third Party Advisory;VDB Entry