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CVE-2015-0235

10.0 · HIGH

Heap-based buffer overflow in the __nss_hostname_digits_dots function in glibc 2.2, and other 2.x versions before 2.18, allows context-dependent attackers to execute arbitrary code via vectors rela…

Published Jan 28, 2015gnuCWE-787EPSS 94.56%

Overview

CVE-2015-0235 is a high-severity vulnerability affecting gnu glibc. It was published on January 28, 2015 and has a CVSS 2.0 base score of 10.0 (HIGH).

This vulnerability has a CVSS 2.0 base score of 10.0, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Heap-based buffer overflow in the __nss_hostname_digits_dots function in glibc 2.2, and other 2.x versions before 2.18, allows context-dependent attackers to execute arbitrary code via vectors related to the (1) gethostbyname or (2) gethostbyname2 function, aka "GHOST."

Remediation

Check the references section for vendor advisories and patches from gnu. Update glibc to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
gnuglibc>= 2.0, < 2.18Affected
oraclecommunications_application_session_controller>= 0, < 3.7.1Affected
oraclecommunications_session_border_controller>= 0, < 7.2.0Affected
oraclecommunications_user_data_repository10.0.0Affected
oraclevm_virtualbox>= 0, < 5.1.24Affected
applemac_os_x>= 0, < 10.11.1Affected
phpphp>= 5.4.0, < 5.4.38Affected

References

Refblogs.sophos.com/2015/01/29/sophos-products-and-the-ghost-vulnerability-affecting-linux/Reflinux.oracle.com/errata/ELSA-2015-0090.htmlReflinux.oracle.com/errata/ELSA-2015-0092.htmlReflists.apple.com/archives/security-announce/2015/Jun/msg00002.htmlReflists.apple.com/archives/security-announce/2015/Oct/msg00005.htmlReflists.apple.com/archives/security-announce/2015/Sep/msg00008.htmlRefmarc.info/?l=bugtraq&m=142296726407499&w=2Refmarc.info/?l=bugtraq&m=142721102728110&w=2Refmarc.info/?l=bugtraq&m=142722450701342&w=2Refmarc.info/?l=bugtraq&m=142781412222323&w=2

How CyberStrike helps

Frequently asked questions

What is CVE-2015-0235?

CVE-2015-0235 is a high-severity vulnerability affecting gnu glibc. It was published on January 28, 2015 and has a CVSS 2.0 base score of 10.0 (HIGH).

How severe is CVE-2015-0235?

This vulnerability has a CVSS 2.0 base score of 10.0, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2015-0235?

Check the references section for vendor advisories and patches from gnu. Update glibc to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2015-0235?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2015-0235 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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