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Critical

Internet Explorer Memory Corruption Vulnerability

IdentifiersCVE-2015-0029CWE-119

CVE-2015-0029 is a memory corruption vulnerability in Microsoft Internet Explorer, reported as affecting Internet Explorer 6 and 8. Microsoft describes it as an "Internet Explorer Memory Corruption Vulnerability" that can be triggered when a user visits a specially crafted website. The issue is part of the vulnerabilities addressed by Security Update 3034682. The available supporting content indicates that the update mitigates this class of issue by changing how Internet Explorer handles objects in memory. Successful exploitation could allow arbitrary code execution in the context of the current user, or cause denial of service due to memory corruption.

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ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

Successful exploitation can allow remote code execution with the privileges of the current user. If the user is running with administrative rights, the attacker may be able to fully compromise the affected system. The vulnerability may also be leveraged to cause a denial of service through memory corruption and browser instability or crash.

Mitigation

If you can’t patch tonight, do this now.

No specific mitigating factors or workarounds for the memory corruption vulnerabilities in this bulletin were identified in the supporting content. General exposure reduction includes limiting use of administrative accounts for browsing and reducing user exposure to untrusted web content. On Windows Server platforms, Internet Explorer Enhanced Security Configuration reduces exposure to specially crafted web content, but this is not a substitute for patching.

Remediation

Patch, then assume compromise.

Apply Microsoft Security Update 3034682. The supporting content states that for Internet Explorer 9, 10, and 11, full protection required installation of both updates 3021952 and 3034196, but the specific CVE here is described as affecting Internet Explorer 6 and 8. Remediation is to install the vendor-provided security updates for the affected Internet Explorer versions and supported Windows platforms.
PUBLIC EXPLOITS

Exploits

No public exploits tracked yet. Mallory keeps watching.

VALID 0 / 0 TOTALView more in app

No public exploit code observed for this vulnerability.

EXPOSURE SURFACE

Affected products & vendors

Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.

VendorProductType
Microsoft CorporationInternet Explorerapplication

Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.

ACTIVITY FEED

Recent activity

2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.

2 SOURCESView more in app
What this page doesn’t show

The version that knows your environment.

This page is what’s public. Mallory adds the parts that aren’t: which of your assets are affected, which adversaries are exploiting it right now, which detections to deploy, and what to do tonight.
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Exposure mapping

Query your assets running an affected version, and investigate the blast radius.

Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

Associated malware

Malware families riding this exploit, with evidence and IOCs.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity

Community discussion across Reddit, Mastodon, and other social sources.

EXTERNAL REFERENCES
MITRE CVE
cve.org · CVE-2015-0029
NVD
nvd.nist.gov/vuln/detail/CVE-2015-0029
MITRE CWE · CWE-119
cwe.mitre.org
securityfocus.com
securityfocus.com/bid/72443
securitytracker.com
securitytracker.com/id/1031723
docs.microsoft.com
docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-009