PT-2019-18360 · Pypi · Pypiserver

Samwcyo · Published 2019-01-25 · Updated 2021-07-21 · CVE-2019-6802

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 pypiserver versions 1.2.5 and below

Description The issue allows attackers to set arbitrary HTTP headers and possibly conduct XSS attacks via a %0d%0a in a URI. This is a result of a CRLF Injection in the software.

Recommendations For pypiserver versions 1.2.5 and below, consider restricting access to the software until a patch is available, and avoid using URIs that contain %0d%0a to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Special Elements Injection

XSS

Weakness Enumeration

CWE-74

CWE-79

Related Identifiers

CVE-2019-6802

GHSA-MH24-7WVG-V88G

PYSEC-2019-113

Affected Products

Pypiserver

References · 9

• 🔥 https://github.com/pypiserver/pypiserver/issues/237 · Exploit
• https://osv.dev/vulnerability/CVE-2019-6802 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-6802 · Security Note
• https://osv.dev/vulnerability/PYSEC-2019-113 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-mh24-7wvg-v88g · Vendor Advisory
• https://github.com/pypiserver/pypiserver · Note
• https://github.com/pypiserver/pypiserver/commit/1375a67c55a9b8d4619df30d2a1c0b239d7357e6 · Note
• https://github.com/pypa/advisory-database/tree/main/vulns/pypiserver/PYSEC-2019-113.yaml · Note
• https://github.com/advisories/GHSA-mh24-7wvg-v88g · Note