Heap-based buffer overflow in GDAL - CVE-2021-45943
Published: September 28, 2022
Vulnerability identifier: #VU67710
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2021-45943
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: gdal.org
Affected software:
GDAL
GDAL
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error within the PCIDSK::CPCIDSKFile::ReadFromFile() function in frmts/pcidsk/sdk/segment/cpcidskbinarysegment.cpp. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2021-45943
Install update from vendor's website.
Sources
- https://github.com/OSGeo/gdal/pull/4944
- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/gdal/OSV-2021-1651.yaml
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=41993
- https://github.com/OSGeo/gdal/commit/1ca6a3e5168c200763fa46d8aa7e698d0b757e7e
- https://lists.debian.org/debian-lts-announce/2022/01/msg00004.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JBPJGXY7IYY65NVJBLP3RONXE7ZBVCNU/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/P23E4DEHY5FJCR5VJ46I6TO32DT7Y3T4/
- https://www.oracle.com/security-alerts/cpujul2022.html
- https://www.debian.org/security/2022/dsa-5239