CVE-2015-1473 Memory corruption in n/a

What is CVE-2015-1473?

CVE-2015-1473 is a medium-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 8 Apr 2015. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The ADDW macro in stdio-common/vfscanf.c in the GNU C Library (aka glibc or libc6) before 2.21 does not properly consider data-type size during a risk-management decision for use of the alloca function, which might allow context-dependent attackers to cause a denial of service (segmentation violation) or overwrite memory locations beyond the stack boundary via a long line containing wide characters that are improperly handled in a wscanf call.

Weakness: CWE-119

Which versions are affected by CVE-2015-1473?

It affects 2 products.

Products include Canonical Ubuntu Linux, Gnu Glibc.

How do I fix CVE-2015-1473?

Upgrade to a fixed version.

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

Is CVE-2015-1473 being exploited?

There is no known exploitation of CVE-2015-1473 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 AZL-40934, DEBIAN-CVE-2015-1473, GHSA-jx9c-49v7-hj5h, UBUNTU-CVE-2015-1473.