Out-of-bounds read in libxml2 (Alpine package)



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2015-7500
CWE-ID CWE-125
Exploitation vector Network
Public exploit N/A
Vulnerable software
 libxml2 (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) Out-of-bounds read

EUVDB-ID: #VU32384

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2015-7500

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error in the xmlParseMisc function in parser.c. A remote attacker can create unspecified vectors related to incorrect entities boundaries and start tags, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

libxml2 (Alpine package): 2.9.0-r0 - 2.9.1-r3

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=0215e6588cf7cdc9ec3c57926af82e79b8366e46
https://git.alpinelinux.org/aports/commit/?id=9e3ec8396214f0ec09a2b5c75e65bbc808013c84
https://git.alpinelinux.org/aports/commit/?id=f084c470893c32a5ab1b765dfe1fa044af19320d
https://git.alpinelinux.org/aports/commit/?id=d43279c37e7c6a85eb14e2879d00bb7d74e9aa45


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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