openEuler update for subversion



Risk Medium
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2021-28544
CVE-2022-24070
CWE-ID CWE-200
CWE-416
Exploitation vector Network
Public exploit N/A
Vulnerable software
 openEuler
Operating systems & Components / Operating system

subversion-help
Operating systems & Components / Operating system package or component

subversion-devel
Operating systems & Components / Operating system package or component

subversion-debugsource
Operating systems & Components / Operating system package or component

subversion-debuginfo
Operating systems & Components / Operating system package or component

ruby-subversion
Operating systems & Components / Operating system package or component

python3-subversion
Operating systems & Components / Operating system package or component

perl-subversion
Operating systems & Components / Operating system package or component

subversion
Operating systems & Components / Operating system package or component

Vendor openEuler

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Information disclosure

EUVDB-ID: #VU62078

Risk: Low

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-28544

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a remote user to gain access to potentially sensitive information.

The vulnerability exists due to exposure of the node "copyfrom" path copied from a protected location. A remote user can gain unauthorized access to sensitive information on the system.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1 - 22.03 LTS

subversion-help: before 1.12.2-4

subversion-devel: before 1.12.2-4

subversion-debugsource: before 1.12.2-4

subversion-debuginfo: before 1.12.2-4

ruby-subversion: before 1.12.2-4

python3-subversion: before 1.12.2-4

perl-subversion: before 1.12.2-4

subversion: before 1.12.2-4

CPE2.3 External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-1647


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Use-after-free

EUVDB-ID: #VU62079

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-2022-24070

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error within mod_dav_svn. A remote attacker can send specially crafted HTTP requests to the affected application and perform a denial of service (DoS) attack.


Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1 - 22.03 LTS

subversion-help: before 1.12.2-4

subversion-devel: before 1.12.2-4

subversion-debugsource: before 1.12.2-4

subversion-debuginfo: before 1.12.2-4

ruby-subversion: before 1.12.2-4

python3-subversion: before 1.12.2-4

perl-subversion: before 1.12.2-4

subversion: before 1.12.2-4

CPE2.3 External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-1647


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.



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