Access of uninitialized pointer in libgcrypt (Alpine package)



Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-13527
CWE-ID CWE-824
Exploitation vector Network
Public exploit N/A
Vulnerable software
 libgcrypt (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Access of uninitialized pointer

EUVDB-ID: #VU21330

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2019-13527

CWE-ID: CWE-824 - Access of Uninitialized Pointer

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code.
The vulnerability exists due to the affected software accesses or uses a pointer that has not been initialized. A remote attacker can trick a victim to open a specially crafted Arena file, which results in the use of a pointer that has not been initialized and execute arbitrary code on the target system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

libgcrypt (Alpine package): 1.8.3-r1

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=1c4658e647d8946733688266ebe9784f71859fb6
https://git.alpinelinux.org/aports/commit/?id=ccc5650a362772557233ed732836c17e9f2524e7


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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