Staging Environment: Content and features may be unstable or change without notice.
Advisory details: github_osv / GHSA-79gr-58r3-pwm3
Advisory ID github_osv/GHSA-79gr-58r3-pwm3
Aliases CVE-2019-18889
Summary Symfony Unsafe Cache Serialization Could Enable RCE An issue was discovered in Symfony 3.4.0 through 3.4.34, 4.2.0 through 4.2.11, and 4.3.0 through 4.3.7. Serializing certain cache adapter interfaces could result in remote code injection. This is related to symfony/cache.
Status Published
Exploitability 0.5
Weighted Severity 8.8
Risk 4.4
Affected and Fixed Packages Package Details
Introduced and Fixed Package Commit Patches Package Commit Patches Details
Weaknesses (1)
CWE-94 Improper Control of Generation of Code ('Code Injection')
System Score Found at
cvssv3.1 9.8 https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2019/12/GHSA-79gr-58r3-pwm3/GHSA-79gr-58r3-pwm3.json
generic_textual CRITICAL
Reference id Reference type URL
https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/cache/CVE-2019-18889.yaml
https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/symfony/CVE-2019-18889.yaml
https://github.com/symfony/symfony/releases/tag/v4.3.8
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UED22BOXTL2SSFMGYKA64ZFHGLLJG3EA
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UED22BOXTL2SSFMGYKA64ZFHGLLJG3EA
https://symfony.com/blog/cve-2019-18889-forbid-serializing-abstractadapter-and-tagawareadapter-instances
https://symfony.com/blog/symfony-4-3-8-released
CVE-2019-18889 https://nvd.nist.gov/vuln/detail/CVE-2019-18889
CVE-2019-18889 https://symfony.com/cve-2019-18889
No exploits are available.

No EPSS data available for this advisory.

Patch URL
There are no known patches.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2019/12/GHSA-79gr-58r3-pwm3/GHSA-79gr-58r3-pwm3.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

There are no SSVC decisions available.