Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2021-23437 |
CWE-ID | CWE-185 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software |
openEuler Operating systems & Components / Operating system python3-pillow-help Operating systems & Components / Operating system package or component python3-pillow-tk Operating systems & Components / Operating system package or component python3-pillow Operating systems & Components / Operating system package or component python3-pillow-qt Operating systems & Components / Operating system package or component python-pillow-debugsource Operating systems & Components / Operating system package or component python-pillow-debuginfo Operating systems & Components / Operating system package or component python3-pillow-devel Operating systems & Components / Operating system package or component python-pillow Operating systems & Components / Operating system package or component |
Vendor | openEuler |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU68608
Risk: Medium
CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2021-23437
CWE-ID:
CWE-185 - Incorrect Regular Expression
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient input validation when processing regular expressions. A remote attacker can pass specially crafted data to the application and perform regular expression denial of service (ReDos) attack.
Install updates from vendor's repository.
Vulnerable software versionsopenEuler: 20.03 LTS SP1 - 20.03 LTS SP2
python3-pillow-help: before 8.1.1-7
python3-pillow-tk: before 8.1.1-7
python3-pillow: before 8.1.1-7
python3-pillow-qt: before 8.1.1-7
python-pillow-debugsource: before 8.1.1-7
python-pillow-debuginfo: before 8.1.1-7
python3-pillow-devel: before 8.1.1-7
python-pillow: before 8.1.1-7
CPE2.3https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2021-1383
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.