CVE-2012-1148 Denial of service in n/a

What is CVE-2012-1148?

CVE-2012-1148 is a medium-severity denial of service vulnerability in Apple Mac Os X, published on 3 Jul 2012. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Memory leak in the poolGrow function in expat/lib/xmlparse.c in expat before 2.1.0 allows context-dependent attackers to cause a denial of service (memory consumption) via a large number of crafted XML files that cause improperly-handled reallocation failures when expanding entities.

Weakness: CWE-399

Which versions are affected by CVE-2012-1148?

It affects 2 products.

Products include Apple Mac Os X, Libexpat Project Libexpat.

How do I fix CVE-2012-1148?

Upgrade to a fixed version.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2012-1148 being exploited?

There is no known exploitation of CVE-2012-1148 in the wild and no public exploit code.

Other vulnerabilities in Apple Mac Os X

• CVE-2014-7169 GNU Bourne-Again Shell (Bash) Arbitrary Code Execution Exploited Critical 9.8
• CVE-2014-6271 GNU Bourne-Again Shell (Bash) Arbitrary Code Execution Exploited Critical 9.8
• CVE-2012-1823 PHP-CGI Query String Parameter Exploited Critical 9.8
• CVE-2021-30713 Apple macOS Unspecified Exploited High 7.8
• CVE-2019-8526 Apple macOS Use-After-Free Exploited High 7.8

All Apple Mac Os X vulnerabilities

Sources

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

Also known as DEBIAN-CVE-2012-1148, GHSA-hm5h-j86h-82pc, UBUNTU-CVE-2012-1148, USN-7307-1.