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CVE-2017-7544

Publication date 21 September 2017

Last updated 24 July 2024

Ubuntu priority

Low

Why this priority?

Cvss 3 Severity Score

9.1 · Critical

Score breakdown

libexif through 0.6.21 is vulnerable to out-of-bounds heap read vulnerability in exif_data_save_data_entry function in libexif/exif-data.c caused by improper length computation of the allocated data of an ExifMnote entry which can cause denial-of-service or possibly information disclosure.

Status

Package Ubuntu Release Status
libexif 19.10 eoan
Not affected
19.04 disco
Not affected
18.10 cosmic Ignored
18.04 LTS bionic
Not affected
17.10 artful Ignored
17.04 zesty Ignored
16.04 LTS xenial
Fixed 0.6.21-2ubuntu0.1
14.04 LTS trusty

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Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
libexif

Severity score breakdown

Parameter Value
Base score 9.1 · Critical
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-4277-1
    • libexif vulnerabilities
    • 11 February 2020

Other references