| Name | CVE-2017-5500 |
| Description | libjasper/jpc/jpc_dec.c in JasPer 1.900.17 allows remote attackers to cause a denial of service (crash) via vectors involving left shift of a negative value. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| jasper (PTS) | jessie, jessie (lts) | 1.900.1-debian1-2.4+deb8u12 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| jasper | source | (unstable) | (unfixed) | unimportant | | |
Notes
Triggers an assert. Not suitable for code injection, hardly denial of service
Reproducer: https://github.com/asarubbo/poc/blob/master/00019-jasper-leftshift-jpc_dec_c
http://blogs.gentoo.org/ago/2017/01/16/jasper-multiple-crashes-with-ubsan/
https://github.com/mdadams/jasper/issues/64