A vulnerability classified as critical has been found in Jzip 1.3/2.0.0.132900. This affects an unknown code. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Stack-based buffer overflow in Jzip 1.3 through 2.0.0.132900 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long file name in a zip archive.

The weakness was released 06/11/2014 (Website). It is possible to read the advisory at corelan.be. This vulnerability is uniquely identified as CVE-2010-5300 since 06/11/2014. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are unknown but a public exploit is available.

After even before and not, there has been an exploit disclosed. The exploit is shared for download 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 52 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 databases at Exploit-DB (32899) and OSVDB (65041†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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• Jzip

Version

• 1.3
• 2.0.0.132900

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