Embedded malicious code (backdoor) in pdoc - CVE-2024-38526

Vulnerability identifier: #VU98008

CSH Severity: High

CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2024-38526

CWE-ID: CWE-506

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to gain unauthorized access to the application.

The vulnerability exists due to documentation generated with `pdoc --math` is linked to JavaScript files from polyfill.io. The polyfill.io CDN has been sold and now serves malicious code.

pdoc
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Desktop 15
SUSE Package Hub 15
openSUSE Leap
Siebel CRM End User
ghc-pandoc
ghc-pandoc-devel

Install updates from vendor's website.

pdoc - update to 14.5.1
ghc-pandoc - update to 3.1.11.1-150500.11.6.1
ghc-pandoc-devel - update to 3.1.11.1-150500.11.6.1

• https://github.com/mitmproxy/pdoc/security/advisories/GHSA-5vgj-ggm4-fg62
• https://github.com/mitmproxy/pdoc/pull/703
• https://sansec.io/research/polyfill-supply-chain-attack
• https://www.vicarius.io/vsociety/posts/polyfillio-in-pdoc-cve-2024-38526

• Usage of compromise version of polyfill.io in mitmproxy pdoc
• Multiple vulnerabilities in Siebel CRM End User
• SUSE update for ghc-pandoc