Null Pointer Dereference in PHP Session Upload Progress
21Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 7.5epss 3.6%
probabilidade de exploração
3.6%top 12% das CVEs
exploração observada
nãonenhuma fonte reporta
In PHP versions 7.2.x below 7.2.28, 7.3.x below 7.3.15 and 7.4.x below 7.4.3, when using file upload functionality, if upload progress tracking is enabled, but session.upload_progress.cleanup is set to 0 (disabled), and the file upload fails, the upload procedure would try to clean up data that does not exist and encounter null pointer dereference, which would likely lead to a crash.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Produtos afetados
PHP Group · PHPReferências
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00023.htmlhttps://bugs.php.net/bug.php?id=79221https://lists.debian.org/debian-lts-announce/2020/03/msg00034.htmlhttps://security.gentoo.org/glsa/202003-57https://usn.ubuntu.com/4330-1/https://www.debian.org/security/2020/dsa-4717https://www.debian.org/security/2020/dsa-4719https://www.tenable.com/security/tns-2021-14