PT-2021-23916 · Unknown+1 · Tripexpress+1

Enferaso · Published 2021-11-29 · Updated 2021-12-01 · CVE-2021-43691

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions: tripexpress version 1.1

Description: The issue concerns a path manipulation vulnerability in the file system/helpers/dompdf/load font.php. The src variable, which comes from $ SERVER["argv"], is involved in this vulnerability.

Recommendations: For tripexpress version 1.1, consider restricting access to the load font.php file in the dompdf directory to minimize the risk of exploitation. As a temporary workaround, avoid using the src variable from $ SERVER["argv"] in the load font.php file until a patch is available.

Exploit

Fix

Path traversal

Weakness Enumeration

CWE-22

Related Identifiers

CVE-2021-43691

Affected Products

Dompdf

Tripexpress

References · 4

• 🔥 https://github.com/toocool/tripexpress/issues/40 · Exploit
• https://osv.dev/vulnerability/CVE-2021-43691 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-43691 · Security Note
• https://t.me/cibsecurity/33043 · Telegram Post