CVE-2017-1000458

Bro before Bro v2.5.2 is vulnerable to an out of bounds write in the ContentLine analyzer allowing remote attackers to cause a denial of service (crash) and…

published January 2, 2018

CVSS
—
EPSS
2%
Percentile
82.9
In the wild
Unconfirmed
What it is

⚠️ An out-of-bounds write in Bro v2.5.2 could literally cause your service to crash – like a restaurant overcooking orders until the kitchen explodes! 🔥 Picture a restaurant where the chef is so busy that they start serving dishes that don’t match the orders, causing chaos in the kitchen! That’s what this vulnerability does to your application—it writes data where it shouldn’t and can lead to a complete service failure. If exploited, this vulnerability could lead to a denial of service, crashing your application and potentially leaving your users high and dry. While there's no confirmed exploitation reported yet, the potential for unexpected behavior is absolutely concerning.

Put simply

Picture a restaurant where the chef is so busy that they start serving dishes that don’t match the orders, causing chaos in the kitchen! That’s what this vulnerability does to your application—it writes data where it shouldn’t and can lead to a complete service failure. The flaw arises in the ContentLine analyzer of Bro v2.5.2, allowing attackers to write data beyond the allocated memory bounds. This can lead to application instability or crashes, disrupting service for users.

What to do

If exploited, this vulnerability could lead to a denial of service, crashing your application and potentially leaving your users high and dry. While there's no confirmed exploitation reported yet, the potential for unexpected behavior is absolutely concerning. To mitigate this flaw, upgrade to the latest version of Bro where this issue is resolved. Regularly monitor your application for signs of instability and consider implementing additional input validation methods to bolster security. You’ve got this! Stay proactive with these fixes and keep your application running smoothly! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02267 · 82.9th percentile
Published
2018-01-02T18:00Z
EPSS history
Timeline
  • 02 JAN 18:00Z
    Bro before Bro v2.5.2 is vulnerable to an out of bounds write in the ContentLine analyzer allowing remote attackers to cause a denial of service (crash) and…
    cvelistv5