BookStackApp BookStack Chapter Export ExportFormatter.php chapterToMarkdown access control
33Vexday Risk Score
Sin señal de explotación. Ella tiene prueba de concepto pública.
ssvc Attendcvss 6.9epss 0.3%
probabilidad de explotación
0.3%top 75% de las CVE
explotación observada
noninguna fuente lo reporta
1 exploit(s) público(s)
A weakness has been identified in BookStackApp BookStack up to 26.03. Affected is the function chapterToMarkdown of the file app/Exports/ExportFormatter.php of the component Chapter Export Handler. Executing a manipulation of the argument pages can lead to improper access controls. It is possible to launch the attack remotely. The exploit has been made available to the public and could be used for attacks. Upgrading to version 26.03.1 is able to address this issue. This patch is called 8a59895ba063040cc8dafd82e94024c406df3d04. It is advisable to upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
Productos afectados
BookStackApp · BookStackPoCs públicas encontradas — 1
cve_referencegithub.com/Ghufran2/CVE-Bookstack/blob/main/Permission%20Bypass%20in%20Markdown%20Chapter%20Exportno verificado⚠ Recursos públicos, para evaluar la exposición de sistemas que controlas o estás autorizado a probar. Prueba solo con autorización.
Referencias
https://github.com/BookStackApp/BookStack/https://github.com/BookStackApp/BookStack/commit/8a59895ba063040cc8dafd82e94024c406df3d04https://github.com/BookStackApp/BookStack/releases/tag/v26.03.1https://github.com/Ghufran2/CVE-Bookstack/blob/main/Permission%20Bypass%20in%20Markdown%20Chapter%20Exporthttps://vuldb.com/submit/781762https://vuldb.com/vuln/355091https://vuldb.com/vuln/355091/ctihttps://www.bookstackapp.com/blog/bookstack-release-v26-03-1/