CVE-2017-12425

Impact:
Moderate
Public Date:
2017-08-02
CWE:
CWE-190
Bugzilla:
1477222: CVE-2017-12425 varnish: Missing check for integer overflow when handling chunk sizes in HTTP requests
An integer overflow flaw, leading to assertion failure, was found in the way Varnish handled chunk sizes in HTTP requests. A remote attacker could use this flaw to make the Varnish daemon restart unexpectedly due to an assertion failure by sending a specially crafted HTTP request.

Find out more about CVE-2017-12425 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v3 metrics

NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.

CVSS3 Base Score 5.3
CVSS3 Base Metrics CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity Impact None
Availability Impact Low

Affected Packages State

Platform Package State
Red Hat Software Collections for Red Hat Enterprise Linux rh-varnish4-varnish Will not fix

Acknowledgements

Red Hat would like to thank the Varnish Cache project for reporting this issue.

External References

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