CVE-2020-28241 Memory corruption in n/a
A heap-based buffer over-read in libmaxminddb allows attackers to cause denial of service or disclose sensitive memory contents.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2020-28241?
CVE-2020-28241 is a medium-severity memory corruption vulnerability in Debian Debian Linux, published on 6 Nov 2020. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
libmaxminddb before 1.4.3 has a heap-based buffer over-read in dump_entry_data_list in maxminddb.c.
Weakness: CWE-125
Which versions are affected by CVE-2020-28241?
1 open source package ship an affected version, including libmaxminddb. It affects 3 products.
| Package | Affected | Fixed in |
|---|---|---|
libmaxminddb Bitnami | All versions | 1.4.3 |
Linux distribution packages (15)
libmaxminddb AlmaLinux:8 | All versions | 1.2.0-10.el8_9.1 |
libmaxminddb-devel AlmaLinux:8 | All versions | 1.2.0-10.el8_9.1 |
libmaxminddb Red Hat:enterprise_linux:8::appstream | All versions | 0:1.2.0-10.el8_9.1 |
libmaxminddb-debuginfo Red Hat:enterprise_linux:8::appstream | All versions | 0:1.2.0-10.el8_9.1 |
libmaxminddb-debugsource Red Hat:enterprise_linux:8::appstream | All versions | 0:1.2.0-10.el8_9.1 |
libmaxminddb-devel Red Hat:enterprise_linux:8::appstream | All versions | 0:1.2.0-10.el8_9.1 |
libmaxminddb Red Hat:rhel_eus:8.6::appstream | All versions | 0:1.2.0-10.el8_6.1 |
libmaxminddb-debuginfo Red Hat:rhel_eus:8.6::appstream | All versions | 0:1.2.0-10.el8_6.1 |
libmaxminddb-debugsource Red Hat:rhel_eus:8.6::appstream | All versions | 0:1.2.0-10.el8_6.1 |
libmaxminddb-devel Red Hat:rhel_eus:8.6::appstream | All versions | 0:1.2.0-10.el8_6.1 |
libmaxminddb Red Hat:rhel_eus:8.8::appstream | All versions | 0:1.2.0-10.el8_8.1 |
libmaxminddb-debuginfo Red Hat:rhel_eus:8.8::appstream | All versions | 0:1.2.0-10.el8_8.1 |
libmaxminddb-debugsource Red Hat:rhel_eus:8.8::appstream | All versions | 0:1.2.0-10.el8_8.1 |
libmaxminddb-devel Red Hat:rhel_eus:8.8::appstream | All versions | 0:1.2.0-10.el8_8.1 |
libmaxminddb Rocky Linux:8 | All versions | 0:1.2.0-10.el8_9.1 |
Products include Debian Debian Linux, Fedoraproject Fedora, Maxmind Libmaxminddb.
How do I fix CVE-2020-28241?
Upgrade libmaxminddb to 1.4.3 or later.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2020-28241 being exploited?
There is no known exploitation of CVE-2020-28241 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as ALPINE-CVE-2020-28241, ALSA-2024:0768, BIT-libmaxminddb-2020-28241, DEBIAN-CVE-2020-28241, DLA-2445-1, GHSA-8h2q-prr9-7wh9 and 9 more.