CVE-2019-18886
published 2019-11-21CVE-2019-18886: An issue was discovered in Symfony 4.2.0 to 4.2.11 and 4.3.0 to 4.3.7. The ability to enumerate users was possible due to different handling depending on…
PriorityP428medium5.3CVSS 3.1
AVNACLPRNUINSUCLINAN
EPSS
1.55%
72.3th percentile
An issue was discovered in Symfony 4.2.0 to 4.2.11 and 4.3.0 to 4.3.7. The ability to enumerate users was possible due to different handling depending on whether the user existed when making unauthorized attempts to use the switch users functionality. This is related to symfony/security.
Affected
11 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | symfony | < symfony 4.3.8+dfsg-1 (bookworm) | symfony 4.3.8+dfsg-1 (bookworm) |
| sensiolabs | symfony | 4.2.0 – 4.2.11 | — |
| sensiolabs | symfony | 4.3.0 – 4.3.7 | — |
| symfony | security-http | >= 4.1.0 < 4.2.12 | 4.2.12 |
| symfony | security-http | >= 4.3.0 < 4.3.8 | 4.3.8 |
| symfony | symfony | >= 0 < 4.3.8+dfsg-1 | 4.3.8+dfsg-1 |
| symfony | symfony | >= 0 < 4.3.8+dfsg-1 | 4.3.8+dfsg-1 |
| symfony | symfony | >= 0 < 4.3.8+dfsg-1 | 4.3.8+dfsg-1 |
| symfony | symfony | >= 0 < 4.3.8+dfsg-1 | 4.3.8+dfsg-1 |
| symfony | symfony | >= 4.1.0 < 4.2.12 | 4.2.12 |
| symfony | symfony | >= 4.3.0 < 4.3.8 | 4.3.8 |
CVSS provenance
nvdv3.15.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:P/I:N/A:N
osv5.3MEDIUM
vendor_debian5.3MEDIUM
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GHSA
User enumeration leak using switch user functionality in Symfony
ghsa·2019-12-02
CVE-2019-18886 [MEDIUM] CWE-200 User enumeration leak using switch user functionality in Symfony
User enumeration leak using switch user functionality in Symfony
An issue was discovered in Symfony 4.2.0 to 4.2.11 and 4.3.0 to 4.3.7. The ability to enumerate users was possible due to different handling depending on whether the user existed when making unauthorized attempts to use the switch users functionality. This is related to symfony/security.
OSV
User enumeration leak using switch user functionality in Symfony
osv·2019-12-02
CVE-2019-18886 [MEDIUM] User enumeration leak using switch user functionality in Symfony
User enumeration leak using switch user functionality in Symfony
An issue was discovered in Symfony 4.2.0 to 4.2.11 and 4.3.0 to 4.3.7. The ability to enumerate users was possible due to different handling depending on whether the user existed when making unauthorized attempts to use the switch users functionality. This is related to symfony/security.
OSV
CVE-2019-18886: An issue was discovered in Symfony 4
osv·2019-11-21·CVSS 5.3
CVE-2019-18886 [MEDIUM] CVE-2019-18886: An issue was discovered in Symfony 4
An issue was discovered in Symfony 4.2.0 to 4.2.11 and 4.3.0 to 4.3.7. The ability to enumerate users was possible due to different handling depending on whether the user existed when making unauthorized attempts to use the switch users functionality. This is related to symfony/security.
Debian
CVE-2019-18886: symfony - An issue was discovered in Symfony 4.2.0 to 4.2.11 and 4.3.0 to 4.3.7. The abili...
vendor_debian·2019·CVSS 5.3
CVE-2019-18886 [MEDIUM] CVE-2019-18886: symfony - An issue was discovered in Symfony 4.2.0 to 4.2.11 and 4.3.0 to 4.3.7. The abili...
An issue was discovered in Symfony 4.2.0 to 4.2.11 and 4.3.0 to 4.3.7. The ability to enumerate users was possible due to different handling depending on whether the user existed when making unauthorized attempts to use the switch users functionality. This is related to symfony/security.
Scope: local
bookworm: resolved (fixed in 4.3.8+dfsg-1)
bullseye: resolved (fixed in 4.3.8+dfsg-1)
forky: resolved (fixed in 4.3.8+dfsg-1)
sid: resolved (fixed in 4.3.8+dfsg-1)
trixie: resolved (fixed in 4.3.8+dfsg-1)
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2019-18886 php-symfony: User enumeration issue in symfony/security [fedora-all]
bugzilla·2019-11-21·CVSS 5.3
CVE-2019-18886 [MEDIUM] CVE-2019-18886 php-symfony: User enumeration issue in symfony/security [fedora-all]
CVE-2019-18886 php-symfony: User enumeration issue in symfony/security [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of fedora-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issue affects multiple supported ve
Bugzilla
CVE-2019-18886 php-symfony: User enumeration issue in symfony/security
bugzilla·2019-11-21·CVSS 5.3
CVE-2019-18886 [MEDIUM] CVE-2019-18886 php-symfony: User enumeration issue in symfony/security
CVE-2019-18886 php-symfony: User enumeration issue in symfony/security
An issue was discovered in Symfony 4.2.0 to 4.2.11 and 4.3.0 to 4.3.7. The ability to enumerate users was possible due to different handling depending on whether the user existed when making unauthorized attempts to use the switch users functionality. This is related to symfony/security.
References:
https://github.com/symfony/symfony/releases/tag/v4.3.8
https://symfony.com/blog/cve-2019-18886-prevent-user-enumeration-using-switch-user-functionality
https://symfony.com/blog/symfony-4-3-8-released
Discussion:
Created php-symfony tracking bugs for this issue:
Affects: epel-all [bug 1775394]
Affects: fedora-all [bug 1775393]
---
This CVE Bugzilla entry is for community support informational purposes only as it does
Bugzilla
CVE-2019-18886 php-symfony: User enumeration issue in symfony/security [epel-all]
bugzilla·2019-11-21·CVSS 5.3
CVE-2019-18886 [MEDIUM] CVE-2019-18886 php-symfony: User enumeration issue in symfony/security [epel-all]
CVE-2019-18886 php-symfony: User enumeration issue in symfony/security [epel-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of epel-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issue affects multiple supported versio
https://github.com/symfony/symfony/releases/tag/v4.3.8https://symfony.com/blog/cve-2019-18886-prevent-user-enumeration-using-switch-user-functionalityhttps://symfony.com/blog/symfony-4-3-8-releasedhttps://github.com/symfony/symfony/releases/tag/v4.3.8https://symfony.com/blog/cve-2019-18886-prevent-user-enumeration-using-switch-user-functionalityhttps://symfony.com/blog/symfony-4-3-8-released
2019-11-21
Published