CVE-2021-3177
published 2021-01-19CVE-2021-3177: Python 3.x through 3.9.1 has a buffer overflow in PyCArg_repr in _ctypes/callproc.c, which may lead to remote code execution in certain Python applications…
critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
Python 3.x through 3.9.1 has a buffer overflow in PyCArg_repr in _ctypes/callproc.c, which may lead to remote code execution in certain Python applications that accept floating-point numbers as untrusted input, as demonstrated by a 1e300 argument to c_double.from_param. This occurs because sprintf is used unsafely.
Affected
35 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | debian_linux | — | — |
| debian | python2.7 | < python2.7 2.7.18-2 (bullseye) | python2.7 2.7.18-2 (bullseye) |
| debian | python3.9 | < python2.7 2.7.18-2 (bullseye) | python2.7 2.7.18-2 (bullseye) |
| fedoraproject | fedora | — | — |
| fedoraproject | fedora | — | — |
| msrc | python3-3.7.9-4.cm1.aarch64.rpm_on_cbl_mariner_1.0_arm | — | — |
| msrc | python3-3.7.9-4.cm1.x86_64.rpm_on_cbl_mariner_1.0_x64 | — | — |
| msrc | python3-curses-3.7.9-4.cm1.aarch64.rpm_on_cbl_mariner_1.0_arm | — | — |
| msrc | python3-curses-3.7.9-4.cm1.x86_64.rpm_on_cbl_mariner_1.0_x64 | — | — |
| msrc | python3-debuginfo-3.7.9-4.cm1.aarch64.rpm_on_cbl_mariner_1.0_arm | — | — |
| msrc | python3-debuginfo-3.7.9-4.cm1.x86_64.rpm_on_cbl_mariner_1.0_x64 | — | — |
| msrc | python3-devel-3.7.9-4.cm1.aarch64.rpm_on_cbl_mariner_1.0_arm | — | — |
| msrc | python3-devel-3.7.9-4.cm1.x86_64.rpm_on_cbl_mariner_1.0_x64 | — | — |
| msrc | python3-libs-3.7.9-4.cm1.aarch64.rpm_on_cbl_mariner_1.0_arm | — | — |
| msrc | python3-libs-3.7.9-4.cm1.x86_64.rpm_on_cbl_mariner_1.0_x64 | — | — |
| msrc | python3-pip-3.7.9-4.cm1.noarch.rpm_on_cbl_mariner_1.0_arm | — | — |
| msrc | python3-pip-3.7.9-4.cm1.noarch.rpm_on_cbl_mariner_1.0_x64 | — | — |
| msrc | python3-setuptools-3.7.9-4.cm1.noarch.rpm_on_cbl_mariner_1.0_arm | — | — |
| msrc | python3-setuptools-3.7.9-4.cm1.noarch.rpm_on_cbl_mariner_1.0_x64 | — | — |
| msrc | python3-test-3.7.9-4.cm1.aarch64.rpm_on_cbl_mariner_1.0_arm | — | — |
| msrc | python3-test-3.7.9-4.cm1.x86_64.rpm_on_cbl_mariner_1.0_x64 | — | — |
| msrc | python3-tools-3.7.9-4.cm1.aarch64.rpm_on_cbl_mariner_1.0_arm | — | — |
| msrc | python3-tools-3.7.9-4.cm1.x86_64.rpm_on_cbl_mariner_1.0_x64 | — | — |
| msrc | python3-xml-3.7.9-4.cm1.aarch64.rpm_on_cbl_mariner_1.0_arm | — | — |
| msrc | python3-xml-3.7.9-4.cm1.x86_64.rpm_on_cbl_mariner_1.0_x64 | — | — |
CVSS provenance
nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
osv9.8CRITICAL