GoogleOSV:GHSA-7W4P-72J7-V7C2Phar object injection in PHPMailer
EPSS
Percentile
75.6%
PHPMailer versions prior to 6.0.6 and 5.2.27 are vulnerable to an object injection attack by passing phar:// paths into addAttachment() and other functions that may receive unfiltered local paths, possibly leading to RCE. See this article for more info on this type of vulnerability. Mitigated by blocking the use of paths containing URL-protocol style prefixes such as phar://. Reported by Sehun Oh of cyberone.kr.
Impact
Object injection, possible remote code execution
Patches
Fixed in 6.0.6 and 5.2.27
Workarounds
Validate and sanitise user input before using.
References
https://nvd.nist.gov/vuln/detail/CVE-2018-19296
For more information
If you have any questions or comments about this advisory:
- Open a private issue in the PHPMailer project
References
github.com/FriendsOfPHP/security-advisories/blob/master/phpmailer/phpmailer/CVE-2018-19296.yaml
github.com/PHPMailer/PHPMailer/releases/tag/v5.2.27
github.com/PHPMailer/PHPMailer/releases/tag/v6.0.6
github.com/PHPMailer/PHPMailer/security/advisories/GHSA-7w4p-72j7-v7c2
lists.debian.org/debian-lts-announce/2018/12/msg00020.html
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3B5WDPGUFNPG4NAZ6G4BZX43BKLAVA5B
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KPU66INRFY5BQ3ESVPRUXJR4DXQAFJVT
lists.fedoraproject.org/archives/list/[email protected]/message/3B5WDPGUFNPG4NAZ6G4BZX43BKLAVA5B
lists.fedoraproject.org/archives/list/[email protected]/message/KPU66INRFY5BQ3ESVPRUXJR4DXQAFJVT
nvd.nist.gov/vuln/detail/CVE-2018-19296
www.debian.org/security/2018/dsa-4351
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