PT-2020-12940 · Bitcoin Abe · Abe

Geeknik · Published 2020-04-20 · Updated 2020-05-05 · CVE-2020-11944

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Abe (aka bitcoin-abe) versions 0.7.2 and earlier, 0.8pre

Description The issue allows for XSS in the call function within abe.py. This occurs because the PATH INFO environment variable is mishandled during a PageNotFound exception.

Recommendations For versions 0.7.2 and earlier, and 0.8pre, consider restricting access to the call function in abe.py until a proper fix is applied. As a temporary workaround, avoid using the PATH INFO environment variable in the affected PageNotFound exception handling until the issue is resolved.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2020-11944

Affected Products

Abe

References · 6

• https://github.com/bitcoin-abe/bitcoin-abe/blob/d33f6e85de74e708e11cabe4ed0246e12025c726/Abe/abe.py#L253-L254 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2020-11944 · Security Note
• https://osv.dev/vulnerability/CVE-2020-11944 · Vendor Advisory
• https://github.com/bitcoin-abe/bitcoin-abe/issues/292 · Note
• https://t.me/cvenotify/2947 · Telegram Post
• https://geeknik-labs.com · Note