CVE-2012-2135 Memory corruption in n/a

What is CVE-2012-2135?

CVE-2012-2135 is a medium-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 14 Aug 2012. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The utf-16 decoder in Python 3.1 through 3.3 does not update the aligned_end variable after calling the unicode_decode_call_errorhandler function, which allows remote attackers to obtain sensitive information (process memory) or cause a denial of service (memory corruption and crash) via unspecified vectors.

Which versions are affected by CVE-2012-2135?

It affects 3 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Python Python.

How do I fix CVE-2012-2135?

No fix has been published for CVE-2012-2135 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2012-2135 being exploited?

There is no known exploitation of CVE-2012-2135 in the wild and no public exploit code.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

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

Also known as GHSA-rgg2-785f-2868, PSF-2012-6.