CVE-2015-6403: Input Validation
First published: Tue Dec 15 2015(Updated: )
The TFTP implementation on Cisco Small Business SPA30x, SPA50x, SPA51x phones 7.5.7 improperly validates firmware-image file integrity, which allows local users to load a Trojan horse image by leveraging shell access, aka Bug ID CSCut67400.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco SPA 500 Series IP Phone Firmware | =7.5.7 | |
| Cisco SPA 500ds firmware | ||
| Cisco SPA 500s firmware | ||
| Cisco SPA 500 Series | ||
| Cisco SPA 502g firmware | ||
| Cisco SPA504G | ||
| Cisco SPA 500 Series | ||
| Cisco SPA 509g firmware | ||
| Cisco SPA 512G 1-line IP Phone | ||
| Cisco SPA 514g firmware | ||
| Cisco SPA 525G2 Firmware | ||
| Cisco SPA300 Firmware | =7.5.7 | |
| Cisco SPA 301 | ||
| Cisco SPA 303 firmware |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2015-6403?
CVE-2015-6403 is rated as a high severity vulnerability due to its potential for local exploitation.
How do I fix CVE-2015-6403?
To mitigate CVE-2015-6403, update the affected Cisco phones to the latest firmware version that addresses the vulnerability.
What systems are affected by CVE-2015-6403?
CVE-2015-6403 affects Cisco Small Business SPA30x and SPA50x series phones running firmware version 7.5.7.
Can CVE-2015-6403 be exploited remotely?
CVE-2015-6403 requires local access for exploitation, making it a local privilege escalation vulnerability.
What is the impact of CVE-2015-6403?
If successfully exploited, CVE-2015-6403 allows an attacker to load unauthorized firmware images onto the affected phones.
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- collector/mitre-cve
- source/MITRE
- agent/severity
- agent/references
- agent/author
- agent/last-modified-date
- agent/weakness
- agent/description
- agent/first-publish-date
- agent/event
- agent/source
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/cisco
- canonical/cisco spa 500 series ip phone firmware
- version/cisco spa 500 series ip phone firmware/7.5.7
- canonical/cisco spa 500ds firmware
- canonical/cisco spa 500s firmware
- canonical/cisco spa 500 series
- canonical/cisco spa 502g firmware
- canonical/cisco spa504g
- canonical/cisco spa 509g firmware
- canonical/cisco spa 512g 1-line ip phone
- canonical/cisco spa 514g firmware
- canonical/cisco spa 525g2 firmware
- canonical/cisco spa300 firmware
- version/cisco spa300 firmware/7.5.7
- canonical/cisco spa 301
- canonical/cisco spa 303 firmware