Paste Script 1.7.5 and earlier does not properly set group memberships during execution…
Priority LOW 30CWE-264Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- High
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Partial · Partial · Partial
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-264.
Summary
Paste Script 1.7.5 and earlier does not properly set group memberships during execution with root privileges, which might allow remote attackers to bypass intended file-access restrictions by leveraging a web application that uses the local filesystem.
Why it matters now
EPSS 0.04027 90th percentileScored 2026-11-07
Fix Fixed pastescript (PyPI): 2.0.1paste (PyPI): 1.7.5.1Red Hat: 1 advisory
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | pastescript (PyPI) | before 2.0.1 | 2.0.1 | Patch available | GHSA-27px-qpmj-qg38 |
| — | paste (PyPI) | before 1.7.5.1 | 1.7.5.1 | Patch available | GHSA-27px-qpmj-qg38 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- pastescript (PyPI) Vendor— Affected before 2.0.1 Fixed in 2.0.1 Patch available GHSA-27px-qpmj-qg38
- paste (PyPI) Vendor— Affected before 1.7.5.1 Fixed in 1.7.5.1 Patch available GHSA-27px-qpmj-qg38
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:pythonpaste:paste:*:*:*:*:*:*:*:* | up to 1.7.5 | Vulnerable | Pythonpaste |
- cpe:2.3:a:pythonpaste:paste:*:*:*:*:*:*:*:* Versions up to 1.7.5 Vulnerable ·Pythonpaste
Remediation
- Fix · GHSA-27px-qpmj-qg38 pastescript (PyPI) Fixed in 2.0.1 Advisory →
- Fix · GHSA-27px-qpmj-qg38 paste (PyPI) Fixed in 1.7.5.1 Advisory →
Red Hat 1 advisory
- RHSA-2012:1206 Released 2012-08-27 · Red Hat rating Moderatepython-paste-script security update
- Red Hat Enterprise Linux Server (v. 6) python-paste-script-1.7.3-5.el6_3
- Red Hat Enterprise Linux Workstation (v. 6) python-paste-script-1.7.3-5.el6_3
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux Server (v. 6) | Fixed | RHSA-2012:1206 |
| Red Hat Enterprise Linux Workstation (v. 6) | Fixed | RHSA-2012:1206 |
Timeline
- 2026-10-02 Threatist record created from CVE-2012-0878
- 2026-10-03 Alias added: GHSA-27px-qpmj-qg38
References
Patch 3
- [oss-security] 20120223 CVE Request -- python-paste-script: Supplementary groups not dropped when started an application with "paster serve" as root
- https://bitbucket.org/ianb/pastescript/pull-request/3/fix-group-permissions-for-pastescriptserve
- https://bitbucket.org/ianb/pastescript/changeset/a19e462769b4
Other 8
- https://bugzilla.redhat.com/show_bug.cgi?id=796790
- [oss-security] 20120223 Re: CVE Request -- python-paste-script: Supplementary groups not dropped when started an application with "paster serve" as root
- http://groups.google.com/group/paste-users/browse_thread/thread/2aa651ba331c2471
- https://github.com/cdent/pastescript/commit/b5f36f2995e1ae117cc53d2bd458d7fb33e4cabe
- https://github.com/pasteorg/pastescript
- https://github.com/pypa/advisory-database/tree/main/vulns/paste/PYSEC-2012-15.yaml
- https://web.archive.org/web/20140723093519/http://secunia.com/advisories/50410
- https://web.archive.org/web/20140803132259/http://secunia.com/advisories/48812
More Pythonpaste Paste vulnerabilities
- TI-2010-02379 Multiple cross-site scripting (XSS) vulnerabilities in the paste.httpexceptions… CVSS 2.0MEDIUM 4.3
Sources
- CVE-2012-0878 · CVE Program
- CVE-2012-0878 · NVD
- FIRST EPSS
- GHSA-27px-qpmj-qg38 · GitHub Advisory Database · CC BY 4.0
- CVE-2012-0878 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences