CVE-2005-1935 Memory corruption in n/a

What is CVE-2005-1935?

CVE-2005-1935 is a high-severity memory corruption vulnerability in Microsoft Windows 2000, published on 9 Jun 2005. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Which versions are affected by CVE-2005-1935?

It affects 4 products.

Products include Microsoft Windows 2000, Microsoft Windows 2003 Server, Microsoft Windows Nt, Microsoft Windows Xp.

How do I fix CVE-2005-1935?

No fix has been published for CVE-2005-1935 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2005-1935 being exploited?

There is no known exploitation of CVE-2005-1935 in the wild and no public exploit code.

Other vulnerabilities in Microsoft Windows 2000

• CVE-2008-4250 Microsoft Windows Buffer Overflow Exploited Critical 9.8
• CVE-2010-0232 Microsoft Windows Kernel Exception Handler Exploited High 7.8
• CVE-2009-1123 Microsoft Windows Improper Input Validation Exploited High 7.8
• CVE-2002-0367 Microsoft Windows Privilege Escalation Exploited High 7.8
• CVE-2010-0269 Memory corruption in n/a Critical 10.0

All Microsoft Windows 2000 vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-7wp6-vjqc-vxjv.