CVE-2012-1876
What it is
Microsoft Internet Explorer 6 through 9, and 10 Consumer Preview, does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by attempting to access a nonexistent object, leading to a heap-based buffer overflow, aka "Col Element Remote Code Execution Vulnerability," as demonstrated by VUPEN during a Pwn2Own competition at CanSecWest 2012.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 65.0% 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: 65.0% in the next 30 days (EPSS).
- Severity: 9.3 HIGH (CVSS).
- Fix: none linked yet, which raises it.
- It meets the bar for Drop everything: critical, and exploited or very likely to be.
Details
- Published
- Last modified
- Exploit probability
- 65.0% · EPSS, next 30 days
- Weakness
- CWE-94 · Code injection
- Record status
- Modified
Affected
- Microsoft Internet Explorer 6
- Microsoft Internet Explorer 7
- Microsoft Internet Explorer 8
- Microsoft Internet Explorer 9
Attack profile CVSS 2.0 · 9.3
- Attack vector
- Network
- Complexity
- Medium
- Authentication
- None
- Confidentiality
- Complete
- Integrity
- Complete
- Availability
- Complete
Raw vector
AV:N/AC:M/Au:N/C:C/I:C/A:C
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-2012-1876.md and follow it. Check whether this project is affected by CVE-2012-1876. 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://arstechnica.com/business/news/2012/03/ie-9-on-latest-windows-gets-stomped-at-hacker-contest.ars
- http://pwn2own.zerodayinitiative.com/status.html
- http://twitter.com/vupen/statuses/177895844828291073
- http://www.us-cert.gov/cas/techalerts/TA12-164A.html
- http://www.zdnet.com/blog/security/pwn2own-2012-ie-9-hacked-with-two-0day-vulnerabilities/10621
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-037
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15539
- http://arstechnica.com/business/news/2012/03/ie-9-on-latest-windows-gets-stomped-at-hacker-contest.ars
- http://pwn2own.zerodayinitiative.com/status.html
- http://twitter.com/vupen/statuses/177895844828291073
- http://www.us-cert.gov/cas/techalerts/TA12-164A.html
- http://www.zdnet.com/blog/security/pwn2own-2012-ie-9-hacked-with-two-0day-vulnerabilities/10621
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-037
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15539