Infinite loop in gdk-pixbuf (Alpine package)



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-29385
CWE-ID CWE-835
Exploitation vector Network
Public exploit N/A
Vulnerable software
 gdk-pixbuf (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Infinite loop

EUVDB-ID: #VU48908

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-2020-29385

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 write_indexes() function in gdk-pixbuf/lzw.c. A remote attacker can pass specially crafted GIF image to the application, consume all available CPU resources and cause denial of service conditions.

Mitigation

Install update from vendor's website.

Vulnerable software versions

gdk-pixbuf (Alpine package): 2.42.0-r0

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=120f91177cb0b6cf32105e8edb3b5132567945b2


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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