VAR-201311-0399
Vulnerability from variot - Updated: 2025-04-11 23:04nginx 0.8.41 through 1.4.3 and 1.5.x before 1.5.7 allows remote attackers to bypass intended restrictions via an unescaped space character in a URI. nginx is prone to a remote security-bypass vulnerability. An attacker can exploit this issue to bypass certain security restrictions and perform unauthorized actions. nginx 0.8.41 through 1.5.6 are vulnerable. nginx is a lightweight web server/reverse proxy server and email (IMAP/POP3) proxy server developed by Russian programmer Igor Sysoev. A security vulnerability exists in nginx versions 0.8.41 through 1.4.3 and 1.5.x prior to 1.5.7. The vulnerability stems from the program not properly validating request URIs containing unescaped space characters.
References:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-4547 http://advisories.mageia.org/MGASA-2013-0349.html
Updated Packages:
Mandriva Business Server 1/X86_64: ee03201627b548e26667eec1e5ac7dae mbs1/x86_64/nginx-1.0.15-3.1.mbs1.x86_64.rpm 6404dde21b871054a663171b5460fac8 mbs1/SRPMS/nginx-1.0.15-3.1.mbs1.src.rpm
To upgrade automatically use MandrivaUpdate or urpmi. The verification of md5 checksums and GPG signatures is performed automatically for you.
All packages are signed by Mandriva for security. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1
Debian Security Advisory DSA-2802-1 security@debian.org http://www.debian.org/security/ Thijs Kinkhorst November 21, 2013 http://www.debian.org/security/faq
Package : nginx Vulnerability : restriction bypass Problem type : remote Debian-specific: no CVE ID : CVE-2013-4547 Debian Bug : 730012
Ivan Fratric of the Google Security Team discovered a bug in nginx, a web server, which might allow an attacker to bypass security restrictions by using a specially crafted request.
The oldstable distribution (squeeze) is not affected by this problem.
For the stable distribution (wheezy), this problem has been fixed in version 1.2.1-2.2+wheezy2.
For the unstable distribution (sid), this problem has been fixed in version 1.4.4-1.
We recommend that you upgrade your nginx packages.
Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: http://www.debian.org/security/
Mailing list: debian-security-announce@lists.debian.org -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux)
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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