CVE-2003-0818
What it is
Multiple integer overflows in Microsoft ASN.1 library (MSASN1.DLL), as used in LSASS.EXE, CRYPT32.DLL, and other Microsoft executables and libraries on Windows NT 4.0, 2000, and XP, allow remote attackers to execute arbitrary code via ASN.1 BER encodings with (1) very large length fields that cause arbitrary heap data to be overwritten, or (2) modified bit strings.
At a glance
- Exploitability
- Can be exploited over the network without logging in. Limited direct impact.
- Exploit odds
- 82.2% chance of exploitation in the next 30 days (EPSS). Higher than most.
- Fix
- No patch or advisory is linked yet. Look at mitigations or restrict exposure.
Timeline
- ReservedThe CVE id was reserved by its CNA
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 82.2% in the next 30 days (EPSS).
- Severity: 7.5 HIGH (CVSS).
- Fix: none linked yet, which raises it.
Details
- Published
- Last modified
- Exploit probability
- 82.2% · EPSS, next 30 days
- Record status
- Modified
Affected
- Microsoft Windows 2000
- Microsoft Windows 2003 Server Enterprise
- Microsoft Windows 2003 Server enterprise_64-bit
- Microsoft Windows 2003 Server r2
- Microsoft Windows 2003 Server Standard
- Microsoft Windows 2003 Server Web
- Microsoft Windows Nt 4.0
- Microsoft Windows Xp
Attack profile CVSS 2.0 · 7.5
- Attack vector
- Network
- Complexity
- Low
- Authentication
- None
- Confidentiality
- Partial
- Integrity
- Partial
- Availability
- Partial
Raw vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2003-0818.md and follow it. Check whether this project is affected by CVE-2003-0818. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
References
- http://marc.info/?l=bugtraq&m=107643836125615&w=2
- http://marc.info/?l=bugtraq&m=107643892224825&w=2
- http://marc.info/?l=ntbugtraq&m=107650972617367&w=2
- http://marc.info/?l=ntbugtraq&m=107650972723080&w=2
- http://www.kb.cert.org/vuls/id/216324
- http://www.kb.cert.org/vuls/id/583108
- http://www.us-cert.gov/cas/techalerts/TA04-041A.html
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2004/ms04-007
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A653
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A796
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A797
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A799
- http://marc.info/?l=bugtraq&m=107643836125615&w=2
- http://marc.info/?l=bugtraq&m=107643892224825&w=2
- http://marc.info/?l=ntbugtraq&m=107650972617367&w=2
- http://marc.info/?l=ntbugtraq&m=107650972723080&w=2
- http://www.kb.cert.org/vuls/id/216324
- http://www.kb.cert.org/vuls/id/583108
- http://www.us-cert.gov/cas/techalerts/TA04-041A.html
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2004/ms04-007
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A653
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A796
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A797
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A799