GNU Libextractor 1.6 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted GIF, IT (Impulse Tracker), NSFE, S3M (Scream Tracker 3), SID, or XM (eXtended Module) file, as demonstrated by the EXTRACTOR_xm_extract_method function in plugins/xm_extractor.c.

The remote Ubuntu 16.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4641-1 advisory.

    It was discovered that Libextractor incorrectly handled zero sample rate. An attacker could possibly use     this issue to cause a denial of service. (CVE-2017-15266)

    It was discovered that Libextractor incorrectly handled certain FLAC metadata. An attacker could possibly     use this issue to cause a denial of service. (CVE-2017-15267)

    It was discovered that Libextractor incorrectly handled certain specially crafted files. An attacker could     possibly use this issue to cause a denial of service. (CVE-2017-15600, CVE-2018-16430, CVE-2018-20430)

    It was discovered that Libextractor incorrectly handled certain inputs. An attacker could possibly use     this issue to cause a denial of service. (CVE-2017-15601)

    It was discovered that Libextractor incorrectly handled integers. An attacker could possibly use this     issue to cause a denial of service. (CVE-2017-15602)

    It was discovered that Libextractore incorrectly handled certain crafted files. An attacker could possibly     use this issue to cause a denial of service. (CVE-2017-15922)

    It was discovered tha Libextractor incorrectly handled certain files. An attacker could possibly use this     issue to cause a denial of service. (CVE-2017-17440)

    It was discovered that Libextractor incorrectly handled certain malformed files. An attacker could     possibly use this issue to cause a denial of service. (CVE-2018-14346)

    It was discovered that Libextractor incorrectly handled malformed files. An attacker could possibly use     this issue to cause a denial of service. (CVE-2018-14347)

    It was discovered that Libextractor incorrectly handled metadata. An attacker could possibly use this     issue to cause a denial of service. (CVE-2018-20431)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Patch for CVE-2017-17440

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

ID	Name	Product	Family	Severity
143215	Ubuntu 16.04 LTS : libextractor vulnerabilities (USN-4641-1)	Nessus	Ubuntu Local Security Checks	high
105854	Fedora 27 : libextractor (2017-354b9647ba)	Nessus	Fedora Local Security Checks	medium
105380	Fedora 26 : libextractor (2017-0f3270406c)	Nessus	Fedora Local Security Checks	medium

Detections

Analytics

CVE-2017-17440

medium

Tenable Plugins

high

medium

medium