| Name | CVE-2018-20030 |
| Description | An error when processing the EXIF_IFD_INTEROPERABILITY and EXIF_IFD_EXIF tags within libexif version 0.6.21 can be exploited to exhaust available CPU resources. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more) |
| References | DLA-2214-1, DLA-2222-1 |
| NVD severity | high |
| Debian Bugs | 918730 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| libexif (PTS) | jessie, stretch | 0.6.21-2 | vulnerable |
| jessie (security) | 0.6.21-2+deb8u3 | fixed |
| stretch (security) | 0.6.21-2+deb9u1 | vulnerable |
| buster, buster (security) | 0.6.21-5.1+deb10u1 | fixed |
| bullseye | 0.6.21-8 | fixed |
| sid | 0.6.21-9 | fixed |
The information below is based on the following data on fixed versions.
Notes
[stretch] - libexif <no-dsa> (Minor issue)
https://secuniaresearch.flexerasoftware.com/secunia_research/2018-28/
https://github.com/libexif/libexif/commit/6aa11df549114ebda520dde4cdaea2f9357b2c89