There is a heap-based buffer overflow in the Image::printIFDStructure function of image.cpp in Exiv2 0.26. A Crafted input will lead to a remote denial of service attack.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2017-11339 from the MITRE CVE dictionary dictionary and NIST NVD.
This issue did not affect the versions of exiv2 as shipped with Red Hat Enterprise Linux 6 and 7.
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
| CVSS3 Base Score | 4.5 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L |
| Attack Vector | Local |
| Attack Complexity | High |
| Privileges Required | None |
| User Interaction | Required |
| Scope | Unchanged |
| Confidentiality | Low |
| Integrity Impact | Low |
| Availability Impact | Low |
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise Linux 7 | exiv2 | Not affected |
| Red Hat Enterprise Linux 6 | exiv2 | Not affected |
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