CVE-2017-12595 — HIGH (7.8)

Vulnerability Description

The tokenizer in QPDF 6.0.0 and 7.0.b1 is recursive for arrays and dictionaries, which allows remote attackers to cause a denial of service (stack consumption and segmentation fault) or possibly have unspecified other impact via a PDF document with a deep data structure, as demonstrated by a crash in QPDFObjectHandle::parseInternal in libqpdf/QPDFObjectHandle.cc.

CVSS Score

7.8

HIGH

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Qpdf Project	Qpdf	6.0.0

Related Weaknesses (CWE)

CWE-20

References

https://github.com/qpdf/qpdf/commit/ad527a64f93dca12f6aabab2ca99ae5eb352ab4bIssue TrackingPatchThird Party Advisory
https://github.com/qpdf/qpdf/issues/146Issue TrackingPatchThird Party Advisory
https://usn.ubuntu.com/3638-1/
https://github.com/qpdf/qpdf/commit/ad527a64f93dca12f6aabab2ca99ae5eb352ab4bIssue TrackingPatchThird Party Advisory
https://github.com/qpdf/qpdf/issues/146Issue TrackingPatchThird Party Advisory
https://usn.ubuntu.com/3638-1/

FAQ

What is CVE-2017-12595?

CVE-2017-12595 is a vulnerability with a CVSS score of 7.8 (HIGH). The tokenizer in QPDF 6.0.0 and 7.0.b1 is recursive for arrays and dictionaries, which allows remote attackers to cause a denial of service (stack consumption and segmentation fault) or possibly have ...

How severe is CVE-2017-12595?

CVE-2017-12595 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2017-12595?

Check the references section above for vendor advisories and patch information. Affected products include: Qpdf Project Qpdf.