CVE-2019-17545 Use after free in n/a
A double free vulnerability in GDAL's OGRExpatRealloc function allows attackers to cause denial of service or potentially execute code via crafted data exceeding 10MB.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2019-17545?
CVE-2019-17545 is a critical use after free vulnerability in Debian Debian Linux, published on 14 Oct 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
GDAL through 3.0.1 has a poolDestroy double free in OGRExpatRealloc in ogr/ogr_expat.cpp when the 10MB threshold is exceeded.
Weakness: CWE-415
Which versions are affected by CVE-2019-17545?
1 open source package ship an affected version, including gdal. It affects 6 products.
| Package | Affected | Fixed in |
|---|---|---|
gdal PyPI | All versions | 3.0.2 |
Linux distribution packages (2)
gdal SUSE:Package Hub 15 SP1 | All versions | 2.4.3-bp151.4.3.1 |
gdal openSUSE:Leap 15.1 | All versions | 2.4.3-bp151.4.3.1 |
Products include Debian Debian Linux, Fedoraproject Fedora, Opensuse Backports Sle, Opensuse Leap, Oracle Spatial and Graph, Osgeo Gdal.
How do I fix CVE-2019-17545?
Upgrade gdal to 3.0.2 or later.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2019-17545 being exploited?
There is no known exploitation of CVE-2019-17545 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2019-17545, DLA-1984-1, GHSA-f6m2-5v5j-rhf2, MGASA-2020-0068, PYSEC-2019-241, UBUNTU-CVE-2019-17545 and 1 more.