Bug 44077 - local printf format attack in exim-3.22-10
Summary: local printf format attack in exim-3.22-10
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Powertools
Classification: Retired
Component: exim
Version: 7.1
Hardware: i386
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Tim Waugh
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2001-06-11 01:19 UTC by Need Real Name
Modified: 2008-05-01 15:38 UTC (History)
0 users

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2001-06-11 14:46:13 UTC
Embargoed:

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System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2001:078 0 high SHIPPED_LIVE : Format string bug fixed in exim 2001-06-11 04:00:00 UTC

Description Need Real Name 2001-06-11 01:19:41 UTC 
The exim-3.22-10

has the same format string problem 
as one found in Debian	(which has exim-3.12)
http://lwn.net/daily/deb-exim.php3

The relevant part of Debian patch seems is
--- exim-3.12.orig/src/accept.c
+++ exim-3.12/src/accept.c
@@ -2449,7 +2449,7 @@
   nothing on success. The function moan_smtp_batch() does not return -
   it exits from the program with a non-zero return code. */
 
-  else if (smtp_reply != NULL) moan_smtp_batch(NULL, smtp_reply);
+  else if (smtp_reply != NULL) moan_smtp_batch(NULL, "%s", smtp_reply);
   }
 
 /* Reset headers so that logging of rejects for a subsequent message
doesn't
--- exim-3.12.orig/src/configure.default
Comment 1 Tim Waugh 2001-06-11 08:14:52 UTC 
Thanks, I saw this.
Comment 2 Tim Waugh 2001-06-11 14:46:09 UTC 
The maintainer has indicated that this vulnerability is local only, and is not 
triggered by SMTP with external sites.
Comment 3 Tim Waugh 2001-06-26 12:16:05 UTC 
This is fixed in exim-3.22-14.
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