Vulnerability in Netpbm

[ Description ]Official description

Netpbm before 10.86.51, 11.02.30, and 11.15.08 contains an integer overflow vulnerability in winicontopam that allows attackers to corrupt heap memory via oversized ICO/CUR dimensions. Attackers can supply a crafted icon file with width or height above 32767, wrapping int16_t loop counters into negative row buffer indices to cause crashes or potential code execution.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References

• sourceforge.net/p/netpbm/code/5335
• svn.code.sf.net/p/netpbm/code/!svn/bc/5334/trunk/converter/other/winicontopam.c
• svn.code.sf.net/p/netpbm/code/!svn/bc/5357/advanced/doc/HISTORY
• svn.code.sf.net/p/netpbm/code/!svn/bc/5358/stable/doc/HISTORY
• svn.code.sf.net/p/netpbm/code/!svn/bc/5371/super_stable/doc/HISTORY
• www.vulncheck.com/advisories/netpbm-before-10.86.51-11.02.30-and-11.15.08-integer-overf…