CVE-2017-12424 Memory corruption in n/a
Malformed input in the newusers tool can cause memory corruption, potentially allowing privilege escalation or crashes in hosting environments.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-12424?
CVE-2017-12424 is a critical memory corruption vulnerability in Debian Debian Linux, published on 4 Aug 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In shadow before 4.5, the newusers tool could be made to manipulate internal data structures in ways unintended by the authors. Malformed input may lead to crashes (with a buffer overflow or other memory corruption) or other unspecified behaviors. This crosses a privilege boundary in, for example, certain web-hosting environments in which a Control Panel allows an unprivileged user account to create subaccounts.
Weakness: CWE-119
Which versions are affected by CVE-2017-12424?
It affects 2 products.
Linux distribution packages (7)
shadow SUSE:Linux Enterprise Desktop 12 SP2 | All versions | 4.2.1-27.3.3 |
shadow SUSE:Linux Enterprise Desktop 12 SP3 | All versions | 4.2.1-27.3.3 |
shadow SUSE:Linux Enterprise Server 12 SP2 | All versions | 4.2.1-27.3.3 |
shadow SUSE:Linux Enterprise Server 12 SP3 | All versions | 4.2.1-27.3.3 |
shadow SUSE:Linux Enterprise Server for Raspberry Pi 12 SP2 | All versions | 4.2.1-27.3.3 |
shadow SUSE:Linux Enterprise Server for SAP Applications 12 SP2 | All versions | 4.2.1-27.3.3 |
shadow SUSE:Linux Enterprise Server for SAP Applications 12 SP3 | All versions | 4.2.1-27.3.3 |
Products include Debian Debian Linux, Shadow Project Shadow.
How do I fix CVE-2017-12424?
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-2017-12424 being exploited?
There is no known exploitation of CVE-2017-12424 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as CLSA-2026-1777945742, CLSA-2026-1777947090, DEBIAN-CVE-2017-12424, GHSA-mmpg-c26w-2pfg, MGASA-2017-0465, SUSE-SU-2017:2947-1 and 1 more.