CVE-2007-4292

Multiple memory leaks in Cisco IOS 12.0 through 12.4 allow remote attackers to cause a denial of service (device crash) via a malformed SIP packet, aka (1)…

published August 9, 2007

CVSS
—
EPSS
3%
Percentile
86.6
In the wild
Unconfirmed
What it is

⚠️ A malformed SIP packet can lead to multiple memory leaks in Cisco IOS versions 12.0 through 12.4, causing a complete device crash! 🚨 Think of it like a restaurant where a customer sends back a dish that has the wrong ingredients; instead of just fixing the order, the kitchen gets so overwhelmed that they shut down entirely! If exploited, this vulnerability could lead to a denial of service, meaning your router or switch would crash, leaving your network in the lurch. This could disrupt services, impact productivity, and take time to recover fully.

Put simply

Think of it like a restaurant where a customer sends back a dish that has the wrong ingredients; instead of just fixing the order, the kitchen gets so overwhelmed that they shut down entirely! The issue stems from various memory leaks in Cisco IOS, triggered by specially crafted SIP packets, which can exhaust memory resources and crash the device.

What to do

If exploited, this vulnerability could lead to a denial of service, meaning your router or switch would crash, leaving your network in the lurch. This could disrupt services, impact productivity, and take time to recover fully. To secure your devices, ensure you're running a Cisco IOS version newer than 12.4. Regularly monitor and patch your systems to keep them resilient against such vulnerabilities. Check Cisco’s advisories for updates and recommendations! You've got this! Stay vigilant and keep your devices updated to maintain a strong defense. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02857 · 86.6th percentile
Published
2007-08-09T21:00Z
EPSS history
Timeline
  • 09 AUG 21:00Z
    Multiple memory leaks in Cisco IOS 12.0 through 12.4 allow remote attackers to cause a denial of service (device crash) via a malformed SIP packet, aka (1)…
    cvelistv5