CVE-20XX-?
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CVE-2008-1897

4.3 MEDIUM 3% exploit odds Fix listed

What it is

The IAX2 channel driver (chan_iax2) in Asterisk Open Source 1.0.x, 1.2.x before 1.2.28, and 1.4.x before 1.4.19.1; Business Edition A.x.x, B.x.x before B.2.5.2, and C.x.x before C.1.8.1; AsteriskNOW before 1.0.3; Appliance Developer Kit 0.x.x; and s800i before 1.1.0.3, when configured to allow unauthenticated calls, does not verify that an ACK response contains a call number matching the server's reply to a NEW message, which allows remote attackers to cause a denial of service (traffic amplification) via a spoofed ACK response that does not complete a 3-way handshake. NOTE: this issue exists because of an incomplete fix for CVE-2008-1923.

At a glance

Exploitability
Can be exploited over the network without logging in. Limited direct impact.
Exploit odds
2.7% chance of exploitation in the next 30 days (EPSS).
Fix
A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

  1. PublishedDisclosed publicly on CVE.org and NVD
  2. Last updatedMost recent change to the record

Why it ranks here

Details

Published
Last modified
Exploit probability
2.7% · EPSS, next 30 days
Weakness
CWE-287 · Improper authentication
Record status
Modified

Affected

Attack profile CVSS 2.0 · 4.3

Attack vector
Network
Complexity
Medium
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
Raw vector

AV:N/AC:M/Au:N/C:N/I:N/A:P

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2008-1897.md and follow it. Check whether this project is affected by CVE-2008-1897. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record