Home/CVE/The CGIHandler class in Python before 2.7.12 does not protect against the HTTP_PROXY variable name clash in a CGI script
CVE

CVE-2016-1000110

The CGIHandler class in Python before 2.7.12 does not protect against the HTTP_PROXY variable name clash in a CGI script

The CGIHandler class in Python before 2.7.12 does not protect against the HTTP_PROXY variable name clash in a CGI script, which could allow a remote attacker to redirect HTTP requests.

MEDIUM · CVSS 6.1 EPSS 0.09899
Monitor
  • EPSS percentile: top 7% of all CVEs by exploitation likelihood
Sigma rules8 YARA rules0
⬡

Weakness Classification

CWE-601URL Redirection to Untrusted Site ('Open Redirect')
▤

Affected Products & Versions

6
python>= 2.7.0 and < 2.7.13
python>= 3.3.0 and < 3.3.7
python>= 3.4.0 and < 3.4.6
python>= 3.5.0 and < 3.5.3
debian linuxall versions
fedoraproject fedoraall versions
◈

Sigma Hunt Rules

8
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighPython Reverse Shell Execution Via PTY And Socket Modules
producthighInline Python Execution - Spawn Shell Via OS System Library
producthighPython One-Liners with Base64 Decoding - Linux
producthighPython Function Execution Security Warning Disabled In Excel
producthighPython One-Liners with Base64 Decoding
producthighPython Spawning Pretty TTY on Windows
▣

Scoring & Timeline

6.1
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD27 Nov 2019 · 05:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
⚑

Vendor Advisories

16
suse-csafopenSUSE-SU-2024:11202-1
suse-csafopenSUSE-SU-2024:11284-1
suse-csafSUSE-SU-2020:0234-1
suse-csafopenSUSE-SU-2020:0086-1
suse-csafSUSE-SU-2020:0114-1
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.htmlMailing ListThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-1000110Issue TrackingThird Party Advisory
https://bugzilla.suse.com/show_bug.cgi?id=CVE-2016-1000110Issue TrackingThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7K3WFJO3SJQCODKRKU6EQV3ZGHH53YPU/
https://security-tracker.debian.org/tracker/CVE-2016-1000110Third Party Advisory
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