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Bug #3907

closed

http2 rust - 'index out of bounds: the len is 2 but the index is 63'

Added by Peter Manev about 4 years ago. Updated about 4 years ago.

Status:
Closed
Priority:
Normal
Target version:
Affected Versions:
Effort:
Difficulty:
Label:

Description

Affected versions: gitmaster only
Running normal/usual AFPv3.

thread '<unnamed>' panicked at 'index out of bounds: the len is 2 but the index is 63', src/http2/parser.rs:298:23                                                                                                
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
fatal runtime error: failed to initiate panic, error 5
Aborted (core dumped)

Suri info:

/usr/local/bin/suricata --build-info
This is Suricata version 6.0.0-dev (1be294718 2020-09-05)
Features: PCAP_SET_BUFF AF_PACKET HAVE_PACKET_FANOUT LIBCAP_NG LIBNET1.1 HAVE_HTP_URI_NORMALIZE_HOOK PCRE_JIT HAVE_NSS HAVE_LUA HAVE_LUAJIT HAVE_LIBJANSSON TLS TLS_C11 MAGIC RUST 
SIMD support: SSE_4_2 SSE_4_1 SSE_3 
Atomic intrinsics: 1 2 4 8 16 byte(s)
64-bits, Little-endian architecture
GCC version 4.2.1 Compatible Clang 7.0.1 (tags/RELEASE_701/final), C version 201112
compiled with _FORTIFY_SOURCE=0
L1 cache line size (CLS)=64
thread local storage method: _Thread_local
compiled with LibHTP v0.5.33, linked against LibHTP v0.5.33

Suricata Configuration:
  AF_PACKET support:                       yes
  eBPF support:                            yes
  XDP support:                             yes
  PF_RING support:                         no
  NFQueue support:                         no
  NFLOG support:                           no
  IPFW support:                            no
  Netmap support:                          no 
  DAG enabled:                             no
  Napatech enabled:                        no
  WinDivert enabled:                       no

  Unix socket enabled:                     yes
  Detection enabled:                       yes

  Libmagic support:                        yes
  libnss support:                          yes
  libnspr support:                         yes
  libjansson support:                      yes
  hiredis support:                         no
  hiredis async with libevent:             no
  Prelude support:                         no
  PCRE jit:                                yes
  LUA support:                             yes, through luajit
  libluajit:                               yes
  GeoIP2 support:                          yes
  Non-bundled htp:                         no
  Old barnyard2 support:                   
  Hyperscan support:                       yes
  Libnet support:                          yes
  liblz4 support:                          yes

  Rust support:                            yes
  Rust strict mode:                        yes
  Rust compiler path:                      /root/.cargo/bin/rustc
  Rust compiler version:                   rustc 1.46.0 (04488afe3 2020-08-24)
  Cargo path:                              /root/.cargo/bin/cargo
  Cargo version:                           cargo 1.46.0 (149022b1d 2020-07-17)
  Cargo vendor:                            yes

  Python support:                          yes
  Python path:                             /usr/bin/python3
  Python distutils                         yes
  Python yaml                              yes
  Install suricatactl:                     yes
  Install suricatasc:                      yes
  Install suricata-update:                 not bundled

  Profiling enabled:                       no
  Profiling locks enabled:                 no

  Plugin support (experimental):           yes

Development settings:
  Coccinelle / spatch:                     no
  Unit tests enabled:                      no
  Debug output enabled:                    no
  Debug validation enabled:                no

Generic build parameters:
  Installation prefix:                     /usr/local
  Configuration directory:                 /usr/local/etc/suricata/
  Log directory:                           /usr/local/var/log/suricata/

  --prefix                                 /usr/local
  --sysconfdir                             /usr/local/etc
  --localstatedir                          /usr/local/var
  --datarootdir                            /usr/local/share

  Host:                                    x86_64-pc-linux-gnu
  Compiler:                                clang (exec name) / g++ (real)
  GCC Protect enabled:                     no
  GCC march native enabled:                yes
  GCC Profile enabled:                     no
  Position Independent Executable enabled: no
  CFLAGS                                   -ggdb3 -O0 -Werror -Wchar-subscripts -Wshadow -Wall -Wextra -Werror -Wno-unused-parameter -Wno-unused-function -fno-strict-aliasing -fstack-protector-all -fsanitize=address -fno-omit-frame-pointer -Wno-unused-parameter -Wno-unused-function -std=c11 -march=native -I${srcdir}/../rust/gen -I${srcdir}/../rust/dist
  PCAP_CFLAGS                               -I/usr/include
  SECCFLAGS 

#2  0x0000000000ec3be7 in std::sys::unix::abort_internal () at src/libstd/sys/unix/mod.rs:167
#3  0x0000000000eb2a05 in std::sys_common::util::abort () at src/libstd/sys_common/util.rs:19
#4  0x0000000000eb493e in std::panicking::rust_panic () at src/libstd/panicking.rs:577
#5  0x0000000000eb47ca in std::panicking::rust_panic_with_hook () at src/libstd/panicking.rs:545
#6  0x0000000000eb433b in rust_begin_unwind () at src/libstd/panicking.rs:437
#7  0x0000000000edb481 in core::panicking::panic_fmt () at src/libcore/panicking.rs:85
#8  0x0000000000edb442 in core::panicking::panic_bounds_check () at src/libcore/panicking.rs:62
#9  0x0000000000d99a0d in <usize as core::slice::SliceIndex<[T]>>::index (self=63, slice=...) at /rustc/04488afe34512aa4c33566eb16d8c912a3ae04f9/src/libcore/slice/mod.rs:3103
#10 core::slice::<impl core::ops::index::Index<I> for [T]>::index (self=..., index=63) at /rustc/04488afe34512aa4c33566eb16d8c912a3ae04f9/src/libcore/slice/mod.rs:2955
#11 <alloc::vec::Vec<T> as core::ops::index::Index<I>>::index (self=<optimized out>, index=63) at /rustc/04488afe34512aa4c33566eb16d8c912a3ae04f9/src/liballoc/vec.rs:1975
#12 suricata::http2::parser::http2_frame_header_static (n=<optimized out>, dyn_headers=<optimized out>) at src/http2/parser.rs:298
#13 0x0000000000d9a078 in suricata::http2::parser::http2_parse_headers_block_indexed (input=..., dyn_headers=<optimized out>) at src/http2/parser.rs:345
#14 suricata::http2::parser::http2_parse_headers_block (input=..., dyn_headers=0x60d0005fd9c8) at src/http2/parser.rs:541

#15 0x0000000000d9a96b in suricata::http2::parser::http2_parse_frame_headers (input=..., flags=<optimized out>, dyn_headers=0x60d0005fd9c8) at src/http2/parser.rs:577
#16 0x0000000000d719c2 in suricata::http2::http2::HTTP2State::parse_frame_data (self=0x60d0005fd9c0, ftype=1, input=..., complete=255, hflags=37, dir=4) at src/http2/http2.rs:601
#17 suricata::http2::http2::HTTP2State::parse_frames (self=<optimized out>, input=..., il=<optimized out>, dir=<optimized out>) at src/http2/http2.rs:711
#18 0x0000000000d72c86 in suricata::http2::http2::HTTP2State::parse_ts (self=0x60d0005fd9c0, input=...) at src/http2/http2.rs:794
#19 suricata::http2::http2::rs_http2_parse_ts (flow=<optimized out>, state=0x60d0005fd9c0, _pstate=<optimized out>, input=<optimized out>, input_len=1577, _data=<optimized out>, _flags=<optimized out>)
    at src/http2/http2.rs:901
#20 0x000000000067b5ef in AppLayerParserParse (tv=0x61200346d2c0, alp_tctx=0x619017302280, f=0x6132c27da3c0, alproto=29, flags=4 '\004', input=0x61d004a9f2d2 "", input_len=1577) at app-layer-parser.c:1234
#21 0x00000000005c2036 in AppLayerHandleTCPData (tv=0x61200346d2c0, ra_ctx=0x60303c4248a0, p=0x61e1a4d5cc80, f=0x6132c27da3c0, ssn=0x6120e8767040, stream=0x7fe51b76da00, data=0x61d004a9f2d2 "", data_len=1577, 
    flags=4 '\004') at app-layer.c:672
#22 0x0000000000b5a026 in ReassembleUpdateAppLayer (tv=0x61200346d2c0, ra_ctx=0x60303c4248a0, ssn=0x6120e8767040, stream=0x7fe51b76da00, p=0x61e1a4d5cc80, dir=UPDATE_DIR_OPPOSING)
    at stream-tcp-reassemble.c:1167
#23 0x0000000000b581fc in StreamTcpReassembleAppLayer (tv=0x61200346d2c0, ra_ctx=0x60303c4248a0, ssn=0x6120e8767040, stream=0x6120e87670d0, p=0x61e1a4d5cc80, dir=UPDATE_DIR_OPPOSING)
    at stream-tcp-reassemble.c:1228
#24 0x0000000000b5ff58 in StreamTcpReassembleHandleSegmentUpdateACK (tv=0x61200346d2c0, ra_ctx=0x60303c4248a0, ssn=0x6120e8767040, stream=0x6120e87670d0, p=0x61e1a4d5cc80) at stream-tcp-reassemble.c:1802
#25 0x0000000000b5fbe1 in StreamTcpReassembleHandleSegment (tv=0x61200346d2c0, ra_ctx=0x60303c4248a0, ssn=0x6120e8767040, stream=0x6120e8767050, p=0x61e1a4d5cc80, pq=0x6060022407e8)
    at stream-tcp-reassemble.c:1845
#26 0x0000000000b3496c in HandleEstablishedPacketToClient (tv=0x61200346d2c0, ssn=0x6120e8767040, p=0x61e1a4d5cc80, stt=0x6060022407e0, pq=0x6060022407e8) at stream-tcp.c:2445
#27 0x0000000000af666a in StreamTcpPacketStateEstablished (tv=0x61200346d2c0, p=0x61e1a4d5cc80, stt=0x6060022407e0, ssn=0x6120e8767040, pq=0x6060022407e8) at stream-tcp.c:2678
#28 0x0000000000ad978a in StreamTcpStateDispatch (tv=0x61200346d2c0, p=0x61e1a4d5cc80, stt=0x6060022407e0, ssn=0x6120e8767040, pq=0x6060022407e8, state=4 '\004') at stream-tcp.c:4672
#29 0x0000000000acfca4 in StreamTcpPacket (tv=0x61200346d2c0, p=0x61e1a4d5cc80, stt=0x6060022407e0, pq=0x60d000802110) at stream-tcp.c:4861
#30 0x0000000000ada98d in StreamTcp (tv=0x61200346d2c0, p=0x61e1a4d5cc80, data=0x6060022407e0, pq=0x60d000802110) at stream-tcp.c:5199
#31 0x0000000000980cf8 in FlowWorkerStreamTCPUpdate (tv=0x61200346d2c0, fw=0x60d0008020e0, p=0x61e1a4d5cc80, detect_thread=0x617000f75000) at flow-worker.c:364
#32 0x000000000097fc3e in FlowWorker (tv=0x61200346d2c0, p=0x61e1a4d5cc80, data=0x60d0008020e0) at flow-worker.c:524
#33 0x0000000000b8a2bf in TmThreadsSlotVarRun (tv=0x61200346d2c0, p=0x61e1a4d5cc80, slot=0x60600004a780) at tm-threads.c:117
--Type <RET> for more, q to quit, c to continue without paging--
#34 0x0000000000aab043 in TmThreadsSlotProcessPkt (tv=0x61200346d2c0, s=0x60600004a780, p=0x61e1a4d5cc80) at ./tm-threads.h:192
#35 0x0000000000aa3f31 in AFPParsePacketV3 (ptv=0x6120e7d6ffc0, pbd=0x7fd560b17000, ppd=0x7fd560b18ca8) at source-af-packet.c:1113
#36 0x0000000000aa25a8 in AFPWalkBlock (ptv=0x6120e7d6ffc0, pbd=0x7fd560b17000) at source-af-packet.c:1128
#37 0x0000000000a99ed1 in AFPReadFromRingV3 (ptv=0x6120e7d6ffc0) at source-af-packet.c:1178
#38 0x0000000000a97aa8 in ReceiveAFPLoop (tv=0x61200346d2c0, data=0x6120e7d6ffc0, slot=0x6060024f9620) at source-af-packet.c:1571
#39 0x0000000000b97b20 in TmThreadsSlotPktAcqLoop (td=0x61200346d2c0) at tm-threads.c:312
#40 0x00007fe598e15fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#41 0x00007fe597d694cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Actions #1

Updated by Victor Julien about 4 years ago

  • Status changed from New to Assigned
  • Assignee set to Philippe Antoine
  • Target version set to 6.0.0rc1
  • Affected Versions 6.0.0beta1, git master added
  • Affected Versions deleted (6.0.0rc1)
Actions #2

Updated by Philippe Antoine about 4 years ago

  • Status changed from Assigned to In Review

https://github.com/OISF/suricata/pull/5383

Thanks for finding this

I should run some fuzz testing, as this bug was pretty shallow...

Actions #3

Updated by Philippe Antoine about 4 years ago

Indeed, found in one minute of fuzzing by running `FUZZ_APPLAYER=29 ./src/fuzz_applayerparserparse`

Actions #4

Updated by Philippe Antoine about 4 years ago

  • Status changed from In Review to Closed
Actions

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