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VAR-200704-0461

Vulnerability from variot - Updated: 2025-04-10 23:11

The Linksys SPA941 VoIP Phone allows remote attackers to cause a denial of service (device reboot) via a 0377 (0xff) character in the From header, and possibly certain other locations, in a SIP INVITE request. Linksys SPA941 phones are prone to a remote denial-of-service vulnerability. Linksys SPA941 is a 2-wire or 4-wire IP phone. The Linksys SPA941 phone does not correctly handle the \377 character in the SIP message. If the attacker contains the above character in any part of the FROM header of the sent message, it may cause the phone to restart; if the character is in other positions, it may modify the phone's Generate the content of the reply message.

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The vulnerability is caused due to an error in the processing of SIP messages. This can be exploited to reboot the phone by sending specially crafted SIP messages containing "\337" characters.

The vulnerability is reported in software version 5.1.5. Other versions may also be affected.

SOLUTION: Use only in a trusted network environment.

PROVIDED AND/OR DISCOVERED BY: Radu State

ORIGINAL ADVISORY: http://lists.grok.org.uk/pipermail/full-disclosure/2007-April/053959.html

About: This Advisory was delivered by Secunia as a free service to help everybody keeping their systems up to date against the latest vulnerabilities.

Subscribe: http://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.) http://secunia.com/about_secunia_advisories/

Please Note: Secunia recommends that you verify all advisories you receive by clicking the link. Secunia NEVER sends attached files with advisories. Secunia does not advise people to install third party patches, only use those supplied by the vendor.

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CVE-2007-2270 (GCVE-0-2007-2270)

Vulnerability from cvelistv5 – Published: 2007-04-25 20:00 – Updated: 2024-08-07 13:33

Summary

Severity

No CVSS data available.

CWE

Assigner

mitre CNA under the mitre root

CNA scorecard E 29/100 over 2166 records in the last 180 days details

References

8 references

URL	Tags
https://www.exploit-db.com/exploits/3791	exploitx_refsource_EXPLOIT-DB
http://lists.grok.org.uk/pipermail/full-disclosur…	mailing-listx_refsource_FULLDISC
http://www.securityfocus.com/bid/23619	vdb-entryx_refsource_BID
http://secunia.com/advisories/25031	third-party-advisoryx_refsource_SECUNIA
http://www.securitytracker.com/id?1017957	vdb-entryx_refsource_SECTRACK
https://www.exploit-db.com/exploits/3792	exploitx_refsource_EXPLOIT-DB
http://www.vupen.com/english/advisories/2007/1532	vdb-entryx_refsource_VUPEN
https://exchange.xforce.ibmcloud.com/vulnerabilit…	vdb-entryx_refsource_XF

Date Public

2007-04-24 00:00

Show details on NVD website

JSON

To clipboard

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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

Order JSON

How durations are calculated

Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.

Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.

Publication & reservation Sightings KEV catalogs Other timestamps

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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.

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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