Vulnerability Details : CVE-2018-11386
An issue was discovered in the HttpFoundation component in Symfony 2.7.x before 2.7.48, 2.8.x before 2.8.41, 3.3.x before 3.3.17, 3.4.x before 3.4.11, and 4.0.x before 4.0.11. The PDOSessionHandler class allows storing sessions on a PDO connection. Under some configurations and with a well-crafted payload, it was possible to do a denial of service on a Symfony application without too much resources.
Vulnerability category: Denial of service
Products affected by CVE-2018-11386
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:a:sensiolabs:symfony:*:*:*:*:*:*:*:*
- cpe:2.3:a:sensiolabs:symfony:*:*:*:*:*:*:*:*
- cpe:2.3:a:sensiolabs:symfony:*:*:*:*:*:*:*:*
- cpe:2.3:a:sensiolabs:symfony:*:*:*:*:*:*:*:*
- cpe:2.3:a:sensiolabs:symfony:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-11386
1.09%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 77 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-11386
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST | |
|
5.9
|
MEDIUM | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |
2.2
|
3.6
|
NIST |
CWE ids for CVE-2018-11386
-
According to WASC, "Insufficient Session Expiration is when a web site permits an attacker to reuse old session credentials or session IDs for authorization."Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-11386
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WU5N2TZFNGXDGMXMPP7LZCWTFLENF6WH/
[SECURITY] Fedora 28 Update: php-symfony3-3.4.11-1.fc28 - package-announce - Fedora Mailing-ListsThird Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/G4XNBMFW33H47O5TZGA7JYCVLDBCXAJV/
[SECURITY] Fedora 28 Update: php-symfony-2.8.41-1.fc28 - package-announce - Fedora Mailing-ListsThird Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UBQK7JDXIELADIPGZIOUCZKMAJM5LSBW/
[SECURITY] Fedora 28 Update: php-symfony4-4.0.11-1.fc28 - package-announce - Fedora Mailing-ListsThird Party Advisory
-
https://www.debian.org/security/2018/dsa-4262
Debian -- Security Information -- DSA-4262-1 symfonyThird Party Advisory
-
https://symfony.com/blog/cve-2018-11386-denial-of-service-when-using-pdosessionhandler
CVE-2018-11386: Denial of service when using PDOSessionHandler (Symfony Blog)Vendor Advisory
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