CVE-2017-5503 : Security Advisory and Response

CVE-2017-5503 was published on March 1, 2017, and affects JasPer 1.900.27. The vulnerability allows remote attackers to cause a denial of service or potentially execute other unspecified impacts through a crafted image.

Understanding CVE-2017-5503

What is CVE-2017-5503?

The vulnerability in JasPer 1.900.27 can lead to a denial of service (DoS) or other unspecified impacts due to an invalid memory write and crash in the dec_clnpass function.

The Impact of CVE-2017-5503

The vulnerability can result in a denial of service (DoS) or other unspecified impacts through a crafted image, potentially leading to an invalid memory write and system crash.

Technical Details of CVE-2017-5503

Vulnerability Description

The dec_clnpass function in libjasper/jpc/jpc_t1dec.c in JasPer 1.900.27 allows remote attackers to cause a denial of service (invalid memory write and crash) or potentially have unspecified other impacts via a crafted image.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Version: 1.900.27

Exploitation Mechanism

The vulnerability can be exploited by crafting a malicious image that triggers the dec_clnpass function, leading to an invalid memory write and potential system crash.

Mitigation and Prevention

Immediate Steps to Take

Apply patches or updates provided by the vendor to address the vulnerability.
Monitor security advisories for any new information or updates regarding this issue.

Long-Term Security Practices

Regularly update software and systems to ensure the latest security patches are in place.
Implement network security measures to detect and prevent potential attacks exploiting this vulnerability.

Patching and Updates

Ensure that JasPer is updated to a version that includes a patch for CVE-2017-5503 to mitigate the risk of exploitation.