Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2020-10735 |
CWE-ID | CWE-704 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
CPython Universal components / Libraries / Scripting languages |
Vendor | Python.org |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU67760
Risk: Medium
CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-10735
CWE-ID:
CWE-704 - Type conversion
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a type confusion in algorithms with quadratic time complexity when using non-binary bases within the int() call. A remote attacker can pass specially crafted data to the affected application and perform a denial of service (DoS) attack.
Install updates from vendor's website.
Vulnerable software versionsCPython: 3.7.0 - 3.10.6
External linkshttp://access.redhat.com/security/cve/CVE-2020-10735
http://docs.google.com/document/d/1KjuF_aXlzPUxTK4BMgezGJ2Pn7uevfX7g0_mvgHlL7Y
http://bugzilla.redhat.com/show_bug.cgi?id=1834423
http://github.com/python/cpython/issues/95778
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4EWKR2SPX3JORLWCXFY3KN2U5B5CIUQQ/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2VCU6EVQDIXNCEDJUCTFIER2WVNNDTYZ/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/V7ZUJDHK7KNG6SLIFXW7MNZ6O2PUJYK6/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HSRPVJZL6DJFWKYRHMNJB7VCEUCBKRF5/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6XL6E5A3I36TRR73VNBOXNIQP4AMZDFZ/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U4ZZV4CDFRMTPDBI7C5L43RFL3XLIGUY/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/32AAQKABEKFCB5DDV5OONRZK6BS23HPW/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SZYJSGLSCQOKXXFVJVJQAXLEOJBIWGEL/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OT5WQB7Z3CXOWVBD2AFAHYPA5ONYFFZ4/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UBPDVCDIUCEBE7C4NAGNA2KQJYOTPBAZ/
http://www.openwall.com/lists/oss-security/2022/09/21/1
http://www.openwall.com/lists/oss-security/2022/09/21/4
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OKYE2DOI2X7WZXAWTQJZAXYIWM37HDCY/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PD7FTLJOIGMUSCDR3JAN6WRFHJEE4PH5/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OT5U223OE5ZOUHZAZYSYSWVJQIKDE73E/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/76YE7AM37MRU76XJV4M27CWDAMUGNRYK/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZEOAJWGGY55QU35UM2OVZATBW5MX2OZD/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.