CVE-2010-5109

Publication date 5 May 2014

Last updated 24 July 2024

Ubuntu priority

Low

Why this priority?

Description

Off-by-one error in the DecompressRTF function in ytnef.c in Yerase's TNEF Stream Reader allows remote attackers to cause a denial of service (crash) via a crafted TNEF file, which triggers a buffer overflow.

Read the notes from the security team

Status

Package Ubuntu Release Status
libytnef 14.04 LTS trusty Not in release
12.10 quantal Ignored
12.04 LTS precise Ignored
11.10 oneiric Ignored
10.04 LTS lucid Ignored
8.04 LTS hardy Ignored end of life

Notes

jdstrand

this is a DoS only since the memory after the unterminated comp_Prebuf.data is not actually access anywhere. libytnef0 is only used by evolution on 10.04 LTS and later. libytnef is linked in to modules/module-tnef-attachment.so from libevolution on 12.10 and later. plugins/liborg-gnome-tnef-attachments.so on 12.04 and earlier. This is shipped in the evolution-plugins-experimental package, from universe on 13.10+, PoC is recognized as TNEF file, but not all attachments are shown (not security) on 12.04, recognized as TNEF file, but not all attachments are shown (not security) on 11.10 and earlier, no crash (not security)

References

Other references