PT-2018-15022 · Showdoc · Showdoc

Published 2018-11-28 · Updated 2022-05-13 · CVE-2018-19620

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Name of the Vulnerable Software and Affected Versions ShowDoc version 2.4.1

Description The issue allows remote attackers to edit other users' notes by navigating with a modified page id. This can be achieved by manipulating the page id to access and modify notes belonging to other users.

Recommendations For ShowDoc version 2.4.1, as a temporary workaround, consider restricting access to the note editing functionality until a patch is available. Additionally, avoid using the modified page id parameter to prevent unauthorized access to other users' notes. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Weakness Enumeration

CWE-425

Related Identifiers

CVE-2018-19620

GHSA-PFRC-5HHQ-6HVR

Affected Products

Showdoc

References · 8

• 🔥 https://github.com/CCCCCrash/POCs/tree/master/Web/showdoc/IncorrectAccessControl#0x02-modify · Exploit
• https://github.com/star7th/showdoc/commit/bcdb5e3519285bdf81e618b3c9b90d22bc49e13c · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2018-19620 · Security Note
• https://osv.dev/vulnerability/CVE-2018-19620 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-pfrc-5hhq-6hvr · Vendor Advisory
• https://github.com/star7th/showdoc · Note
• https://github.com/star7th/showdoc/commits/v2.4.2 · Note
• https://github.com/star7th/showdoc/issues/397 · Note