Hi, I intend to upload an NMU to fix this problem, attached is a patch which should fix CVE-2007-2807.
The patch is also archived on: http://people.debian.org/~nion/nmu-diff/eggdrop-1.6.18-1_1.6.18-1.1.patch Kind regards Nico -- Nico Golde - http://ngolde.de - [EMAIL PROTECTED] - GPG: 0x73647CFF For security reasons, all text in this mail is double-rot13 encrypted.
diff -Nurad eggdrop-1.6.18-1/eggdrop-1.6.18/debian/changelog eggdrop-1.6.18-1.1/eggdrop-1.6.18/debian/changelog
--- eggdrop-1.6.18-1/eggdrop-1.6.18/debian/changelog 2007-08-12 17:04:15.000000000 +0200
+++ eggdrop-1.6.18-1.1/eggdrop-1.6.18/debian/changelog 2007-08-12 16:59:49.000000000 +0200
@@ -1,3 +1,10 @@
+eggdrop (1.6.18-1.1) unstable; urgency=high
+
+ * Non-maintainer upload by secure testing team.
+ * Fix for CVE-2007-2807 (01_CVE-2007-2807_srvmsg.patch) (Closes: #427157).
+
+ -- Nico Golde <[EMAIL PROTECTED]> Sun, 12 Aug 2007 16:42:31 +0200
+
eggdrop (1.6.18-1) unstable; urgency=low
* New upstream release (Closes: #369678).
diff -Nurad eggdrop-1.6.18-1/eggdrop-1.6.18/debian/patches/01_CVE-2007-2807_servmsg.patch eggdrop-1.6.18-1.1/eggdrop-1.6.18/debian/patches/01_CVE-2007-2807_servmsg.patch
--- eggdrop-1.6.18-1/eggdrop-1.6.18/debian/patches/01_CVE-2007-2807_servmsg.patch 1970-01-01 01:00:00.000000000 +0100
+++ eggdrop-1.6.18-1.1/eggdrop-1.6.18/debian/patches/01_CVE-2007-2807_servmsg.patch 2007-08-12 16:42:17.000000000 +0200
@@ -0,0 +1,37 @@
+diff -Nurad src~/mod/server.mod/servmsg.c src/mod/server.mod/servmsg.c
+--- src~/mod/server.mod/servmsg.c 2007-08-12 16:39:34.000000000 +0200
++++ src/mod/server.mod/servmsg.c 2007-08-12 16:39:52.000000000 +0200
+@@ -461,7 +461,8 @@
+ to = newsplit(&msg);
+ fixcolon(msg);
+ /* Only check if flood-ctcp is active */
+- strcpy(uhost, from);
++ strncpy(uhost, from, sizeof(buf));
++ buf[sizeof(buf) - 1] = '\0';
+ nick = splitnick(&uhost);
+ if (flud_ctcp_thr && detect_avalanche(msg)) {
+ if (!ignoring) {
+@@ -471,7 +472,7 @@
+ p++;
+ else
+ p = uhost;
+- simple_sprintf(ctcpbuf, "[EMAIL PROTECTED]", p);
++ snprintf(ctcpbuf, sizeof(ctcpbuf), "[EMAIL PROTECTED]", p);
+ addignore(ctcpbuf, botnetnick, "ctcp avalanche",
+ now + (60 * ignore_time));
+ }
+@@ -486,8 +487,12 @@
+ p++;
+ if (*p == 1) {
+ *p = 0;
+- ctcp = strcpy(ctcpbuf, p1);
+- strcpy(p1 - 1, p + 1);
++ ctcp = strncpy(ctcpbuf, p1, sizeof(ctcpbuf));
++ ctcpbuf[sizeof(ctcpbuf) - 1] = '\0';
++ /* copy the part after the second : in front of it after
++ * the first :, this is temporary copied to ctcpbuf */
++ strncpy(p1 - 1, p + 1, strlen(ctcpbuf) - 1);
++
+ if (!ignoring)
+ detect_flood(nick, uhost, from,
+ strncmp(ctcp, "ACTION ", 7) ? FLOOD_CTCP : FLOOD_PRIVMSG);
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