Bug 1271113 - (CVE-2015-5290) CVE-2015-5290 ircd-ratbox: OOM via MONITOR command
CVE-2015-5290 ircd-ratbox: OOM via MONITOR command
Status: NEW
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
medium Severity medium
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Assigned To: Red Hat Product Security
impact=moderate,public=20151010,repor...
: Security
Depends On: 1271114 1271115
Blocks:
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Reported: 2015-10-13 04:03 EDT by Martin Prpič
Modified: 2015-10-13 04:04 EDT (History)
2 users (show)

See Also:
Fixed In Version: ircd-ratbox 3.0.9
Doc Type: Bug Fix
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Description Martin Prpič 2015-10-13 04:03:40 EDT
A flaw was discovered in ircd-ratbox and its derivatives:

Elemental-IRCd is an Internet Relay Chat (IRC / RFC 1459) daemon intended for stable, secure deployments for both private and public-facing users. It provides quick messaging across servers, even when deployed on a global scale. One of the recent goals of the project has been to limit memory leaks and test functionality to ensure quality for all users.

While looking for resource leaks and other things to test inside Elemental-IRCd git master, we stumbled on an unfortunate programming error in how the MONITOR command was handled that can lead to a system out-of-memory event if an attacker hammers at the MONITOR command over and over.

External References:

http://elemental-ircd.com/security/e50b0d59-f3c5-4472-a3cd-e2e07731417c/
Comment 1 Martin Prpič 2015-10-13 04:04:02 EDT
Created ircd-ratbox tracking bugs for this issue:

Affects: fedora-all [bug 1271114]
Affects: epel-5 [bug 1271115]

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