VAR-201207-0005
Vulnerability from variot - Updated: 2025-04-11 23:04Buffer overflow in tftp-hpa before 5.1 allows remote attackers to cause a denial of service and possibly execute arbitrary code via the utimeout option. Tftpd-hpa is a feature-enhanced TFTP server. There is a buffer overflow in the function that sets the utimeout option in the tftp-hpa daemon. This vulnerability can be exploited remotely because the program receives options from the client settings. tftp-hpa FTP server is prone to a buffer-overflow vulnerability. An attacker can exploit this issue to execute arbitrary code within the context of the affected application. Failed exploit attempts will result in a denial-of-service condition. Versions prior to tftp-hpa 5.1 are vulnerable. PRE-CERT Security Advisory ==========================
- Advisory: PRE-SA-2011-05
- Released on: 22 Jun 2011
- Last updated on: 22 Jun 2011
- Affected product: tftp-hpa 0.30 - 5.0
- Impact: buffer overflow
- Origin: remote tftp client
- Credit: Timo Warns (PRESENSE Technologies GmbH)
- CVE Identifier: CVE-2011-2199
Summary
The tftp-hpa daemon contains a buffer overflow vulnerability in the function for setting the utimeout option.
Solution
For a patch, see http://git.kernel.org/?p=network/tftp/tftp-hpa.git;a=commitdiff;h=f3035c45bc50bb5cac87ca01e7ef6a12485184f8
References
When further information becomes available, this advisory will be updated. The most recent version of this advisory is available at:
http://www.pre-cert.de/advisories/PRE-SA-2011-05.txt
Contact
PRE-CERT can be reached under precert@pre-secure.de. For PGP key information, refer to http://www.pre-cert.de/.
Full-Disclosure - We believe in it. Charter: http://lists.grok.org.uk/full-disclosure-charter.html Hosted and sponsored by Secunia - http://secunia.com/ . - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201206-12
http://security.gentoo.org/
Severity: High Title: tftp-hpa: Remote buffer overflow Date: June 21, 2012 Bugs: #374001 ID: 201206-12
Synopsis
A vulnerability was found in tftp-hpa, which leads to remote execution of arbitrary code.
Affected packages
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-ftp/tftp-hpa < 5.1 >= 5.1
Description
A vulnerability has been discovered in tftp-hpa. Please review the CVE identifier referenced below for details.
Workaround
There is no known workaround at this time.
Resolution
All tftp-hpa users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=net-ftp/tftp-hpa-5.1"
References
[ 1 ] CVE-2011-2199 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-2199
Availability
This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-201206-12.xml
Concerns?
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.
License
Copyright 2012 Gentoo Foundation, Inc; referenced text belongs to its owner(s).
The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license.
http://creativecommons.org/licenses/by-sa/2.5
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Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.
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.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
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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.