SUSE update for php7



| Updated: 2023-10-27
Risk Medium
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2022-31628
CVE-2022-31629
CWE-ID CWE-835
CWE-254
Exploitation vector Network
Public exploit Public exploit code for vulnerability #2 is available.
Vulnerable software
 openSUSE Leap
Operating systems & Components / Operating system

php7-wddx-debuginfo
Operating systems & Components / Operating system package or component

php7-wddx
Operating systems & Components / Operating system package or component

Vendor SUSE

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Infinite loop

EUVDB-ID: #VU67755

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-2022-31628

CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')

Exploit availability: No

Description

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

The vulnerability exists due to infinite loop within the phar uncompressor code when processing "quines" gzip files. A remote attacker can pass a specially crafted archive to the application, consume all available system resources and cause denial of service conditions.

Mitigation

Update the affected package php7 to the latest version.

Vulnerable software versions

openSUSE Leap: 15.4

php7-wddx-debuginfo: before 7.2.5-150000.4.98.2

php7-wddx: before 7.2.5-150000.4.98.2

CPE2.3 External links

https://www.suse.com/support/update/announcement/2022/suse-su-20223830-1/


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.

2) Security features bypass

EUVDB-ID: #VU67756

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2022-31629

CWE-ID: CWE-254 - Security Features

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to the way PHP handles HTTP variable names. A remote attacker can set a standard insecure cookie in the victim's browser which is treated as a `__Host-` or `__Secure-` cookie by PHP applications.

Mitigation

Update the affected package php7 to the latest version.

Vulnerable software versions

openSUSE Leap: 15.4

php7-wddx-debuginfo: before 7.2.5-150000.4.98.2

php7-wddx: before 7.2.5-150000.4.98.2

CPE2.3 External links

https://www.suse.com/support/update/announcement/2022/suse-su-20223830-1/


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. However, proof of concept for this vulnerability is available.



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