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CVE-2005-1935

CVE information

Published

17 years ago

Last Modified

5 years ago

CVSSv2.0 Severity

High

Impact Analysis

Description

Heap-based buffer overflow in the BERDecBitString function in Microsoft ASN.1 library (MSASN1.DLL) allows remote attackers to execute arbitrary code via nested constructed bit strings, which leads to a realloc of a non-null pointer and causes the function to overwrite previously freed memory, as demonstrated using a SPNEGO token with a constructed bit string during HTTP authentication, and a different vulnerability than CVE-2003-0818. NOTE: the researcher has claimed that MS:MS04-007 fixes this issue..

CVSSv2.0 Score

Severity
High
Base Score
7.5/10
Exploit Score
10/10
Access Vector
Network
Access Complexity
Low
Authentication Required
None
Impact Score
6.4/10
Confidentiality Impact
Partial
Availability Impact
Partial
Integrity Impact
Partial

Products Affected

CPE Affected Vulnerable Excluding Edit
cpe:2.3:o:microsoft:windows_2003_server:64-bit:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:microsoft:windows_nt:4.0:sp6a:workstation:*:*:*:*:
  Yes
- -
cpe:2.3:o:microsoft:windows_nt:4.0:sp6:terminal_server:*:*:*
  Yes
- -
cpe:2.3:o:microsoft:windows_xp:*:*:64-bit:*:*:*:*:*
  Yes
- -
cpe:2.3:o:microsoft:windows_2000:*:sp2:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:microsoft:windows_xp:*:sp1:tablet_pc:*:*:*:*:*
  Yes
- -
cpe:2.3:o:microsoft:windows_nt:4.0:sp6a:server:*:*:*:*:*
  Yes
- -
cpe:2.3:o:microsoft:windows_2003_server:r2:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:microsoft:windows_2000:*:sp4:*:fr:*:*:*:*
  Yes
- -
cpe:2.3:o:microsoft:windows_2000:*:sp3:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:microsoft:windows_xp:*:gold:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:microsoft:windows_xp:*:sp1:64-bit:*:*:*:*:*
  Yes
- -