Double Free Vulnerability in GNU Gettext Affects Multiple Platforms
CVE-2018-18751

9.8CRITICAL

Key Information:

Vendor

Gnu
Status
Gettext
Vendor
CVE Published:
29 October 2018

What is CVE-2018-18751?

A double free vulnerability exists in GNU gettext 0.19.8 that can be exploited due to improper memory management in the default_add_message function within read-catalog.c. This issue is triggered by an invalid free operation in po_gram_parse found in po-gram-gen.y, potentially leading to memory corruption and security breaches. Affected systems could face serious risks if the vulnerability is exploited.

References

https://usn.ubuntu.com/3815-2/
vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/3815-1/
vendor-advisoryx_refsource_UBUNTU
https://github.com/CCCCCrash/POCs/tree/master/Bin/Tools-g...
x_refsource_MISC

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.
CVE-2018-18751 : Double Free Vulnerability in GNU Gettext Affects Multiple Platforms