Summaryinfo

A vulnerability described as problematic has been identified in libgig 4.0.0. This issue affects the function gig::Instrument::UpdateRegionKeyTable of the file gig.cpp of the component gig File Handler. Such manipulation leads to out-of-bounds write. This vulnerability is traded as CVE-2017-12953. The attack may be launched remotely. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in libgig 4.0.0 (Software Library). Affected by this issue is the function gig::Instrument::UpdateRegionKeyTable of the file gig.cpp of the component gig File Handler. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is availability. CVE summarizes:

The gig::Instrument::UpdateRegionKeyTable function in gig.cpp in libgig 4.0.0 allows remote attackers to cause a denial of service (invalid memory write and application crash) via a crafted gig file.

The bug was discovered 08/23/2017. The weakness was shared 08/28/2017 as not defined mailinglist post (Full-Disclosure). The advisory is shared for download at seclists.org. This vulnerability is handled as CVE-2017-12953 since 08/18/2017. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. Technical details as well as a public exploit are known.

The exploit is available at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 5 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Exploit-DB (42546). The entries VDB-105821, VDB-105822, VDB-105823 and VDB-105825 are related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Software Library

Name

• libgig

Version

• 4.0.0

License

• free

CPE 2.3info

• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Discussion