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CVE-2018-1311

HIGHCVSS 8.1/10EPSS 9.50%

Last modified

CVE-2018-1311 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. The Apache Xerces-C 3.0.0 to 3.2.3 XML parser contains a use-after-free error triggered during the scanning of external DTDs. This flaw has not been addressed in the maintained version of the library and has no current mitigation other than to disable DTD processing. EPSS estimates a 9.50% chance of exploitation in the next 30 days.

Description

The Apache Xerces-C 3.0.0 to 3.2.3 XML parser contains a use-after-free error triggered during the scanning of external DTDs. This flaw has not been addressed in the maintained version of the library and has no current mitigation other than to disable DTD processing. This can be accomplished via the DOM using a standard parser feature, or via SAX using the XERCES_DISABLE_DTD environment variable.

Metrics

CVSS 3.1
8.1/10

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
9.50%

94.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
ApacheXerces-C\+\+>= 3.0.0, < 3.2.5
RedhatEnterprise Linux Desktop6.0
RedhatEnterprise Linux Desktop7.0
RedhatEnterprise Linux Eus7.7
RedhatEnterprise Linux Server6.0
RedhatEnterprise Linux Server7.0
RedhatEnterprise Linux Server Aus7.7
RedhatEnterprise Linux Server Tus7.7
RedhatEnterprise Linux Workstation6.0
RedhatEnterprise Linux Workstation7.0
DebianDebian Linux9.0
DebianDebian Linux10.0
OracleGoldengate< 21.4.0.0.0
FedoraprojectFedora38
FedoraprojectFedora39

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2018-1311?
The Apache Xerces-C 3.0.0 to 3.2.3 XML parser contains a use-after-free error triggered during the scanning of external DTDs. This flaw has not been addressed in the maintained version of the library and has no current mitigation other than to disable DTD processing. This can be accomplished via the DOM using a standard parser feature, or via SAX using the XERCES_DISABLE_DTD environment variable.
How severe is CVE-2018-1311?
CVE-2018-1311 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 9.50% probability of exploitation in the next 30 days.
How do I fix CVE-2018-1311?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-1311?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST