Wireshark – erf_meta_read_tag SIGSEGV

• Exploit Database
• 16 阅读

• 作者： Google Security Research
  日期： 2016-06-01
• 类别：

  • dos
  平台：

  • multiple
• 来源：https://www.exploit-db.com/exploits/39877/

• Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=803
  
  The following SIGSEGV crash due to an invalid memory read can be observed in an ASAN build of Wireshark (current git master), by feeding a malformed file to tshark ("$ ./tshark -nVxr /path/to/file"):
  
  --- cut ---
  ==28415==ERROR: AddressSanitizer: SEGV on unknown address 0x61b000022d84 (pc 0x7f0e1b0002a2 bp 0x7ffde25a76f0 sp 0x7ffde25a7630 T0)
  #0 0x7f0e1b0002a1 in erf_meta_read_tag wireshark/wiretap/erf.c:1242:13
  #1 0x7f0e1afff0f0 in populate_summary_info wireshark/wiretap/erf.c:1851:27
  #2 0x7f0e1aff34d6 in erf_read wireshark/wiretap/erf.c:447:7
  #3 0x7f0e1b1a746b in wtap_read wireshark/wiretap/wtap.c:1245:7
  #4 0x528196 in load_cap_file wireshark/tshark.c:3478:12
  #5 0x51e67c in main wireshark/tshark.c:2192:13
  
  AddressSanitizer can not provide additional info.
  SUMMARY: AddressSanitizer: SEGV wireshark/wiretap/erf.c:1242:13 in erf_meta_read_tag
  ==28415==ABORTING
  --- cut ---
  
  The crash was reported at https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=12352. Attached are three files which trigger the crash.
  
  
  Proof of Concept:
  https://gitlab.com/exploit-database/exploitdb-bin-sploits/-/raw/main/bin-sploits/39877.zip