Xpdf CVE-2019-16115 Buffer Underflow Vulnerability

Risk

Medium

Date Discovered

September 4, 2019

Description

Xpdf is prone to a buffer-underflow vulnerability because it fails to perform adequate boundary checks on user-supplied data. An attacker can exploit this issue to cause denial-of-service conditions. Due to the nature of this issue, arbitrary code execution may be possible but this has not been confirmed. Xpdf 4.01.01 is vulnerable, other versions may also be affected.

Technologies Affected

  • Glyph & Cog Xpdf 4.01.01

Recommendations

Run all software as a nonprivileged user with minimal access rights.
To reduce the impact of latent vulnerabilities, run the application with the minimal amount of privileges required for functionality.

Deploy network intrusion detection systems to monitor network traffic for malicious activity.
Deploy NIDS to monitor network traffic for signs of anomalous or suspicious activity including unexplained incoming and outgoing traffic. This may indicate exploit attempts or activity that results from successful exploits.

Do not accept or execute files from untrusted or unknown sources.
To reduce the likelihood of successful exploits, never handle files that originate from unfamiliar or untrusted sources.

Reportedly the issue is fixed, however Symantec has not confirmed this. Please contact the vendor for more information.

References

Credits

Mike Zhang


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