VIR Vulnerability Intelligence Relay

CVE-2012-4792

unknown KEV
Published 2024-07-23 · Modified 2024-07-23
💬 Discuss on Community ✚ Propose mitigation
CVSS v3
—
CVSS v4 NEW
—
not yet in upstream
VIR risk
2.5

Description

Microsoft Internet Explorer contains a use-after-free vulnerability that allows a remote attacker to execute arbitrary code via a crafted web site that triggers access to an object that (1) was not properly allocated or (2) is deleted, as demonstrated by a CDwnBindInfo object.

CISA KEV

Vendor
Microsoft
Product
Internet Explorer
Due date
2024-08-13

Predictions

Exploit likelihood
99%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Exploit-DB

EDB-23785 remote windows verified
Metasploit · 2013-01-02

Microsoft Internet Explorer - CButton Object Use-After-Free (Metasploit)

Source code queued for fetch — refresh in a moment.
EDB-23754 remote windows verified
Metasploit · 2012-12-31

Microsoft Internet Explorer - CDwnBindInfo Object Use-After-Free (Metasploit)

Source code queued for fetch — refresh in a moment.

Metasploit modules

exploit_windows/browser/ie_cbutton_uaf rank 300
MS13-008 Microsoft Internet Explorer CButton Object Use-After-Free Vulnerability
Source fetch failed: fetch_error — view the original via the link above.

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.