CVE-2017-7544 libexif through 0.6.21 is vulnerable to out-of-bounds heap read vulnerability in exif_data_save_data_entry function in libexif/exif-data.c caused by improper length computation of the allocated data o...
CriticalCVSS 9.1
EPSS 3.3%
- Published
- Updated
- Exploit status
- No public exploit known
Description
libexif through 0.6.21 is vulnerable to out-of-bounds heap read vulnerability in exif_data_save_data_entry function in libexif/exif-data.c caused by improper length computation of the allocated data of an ExifMnote entry which can cause denial-of-service or possibly information disclosure.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| debian/libexif(Debian:12) | < 0.6.21-2.1 | 0.6.21-2.1 |
| debian/libexif(Debian:13) | < 0.6.21-2.1 | 0.6.21-2.1 |
| debian/libexif(Debian:14) | < 0.6.21-2.1 | 0.6.21-2.1 |
| libexif project libexif | <= 0.6.21 | No fix listed |
| alpine/libexif(Alpine:v3.10) | < 0.6.21-r3 | 0.6.21-r3 |
| alpine/libexif(Alpine:v3.11) | < 0.6.21-r3 | 0.6.21-r3 |
| alpine/libexif(Alpine:v3.12) | < 0.6.21-r3 | 0.6.21-r3 |
| alpine/libexif(Alpine:v3.13) | < 0.6.21-r3 | 0.6.21-r3 |
| alpine/libexif(Alpine:v3.14) | < 0.6.21-r3 | 0.6.21-r3 |
| alpine/libexif(Alpine:v3.15) | < 0.6.21-r3 | 0.6.21-r3 |
| alpine/libexif(Alpine:v3.16) | < 0.6.21-r3 | 0.6.21-r3 |
| alpine/libexif(Alpine:v3.17) | < 0.6.21-r3 | 0.6.21-r3 |
| alpine/libexif(Alpine:v3.18) | < 0.6.21-r3 | 0.6.21-r3 |
| alpine/libexif(Alpine:v3.19) | < 0.6.21-r3 | 0.6.21-r3 |
| alpine/libexif(Alpine:v3.20) | < 0.6.21-r3 | 0.6.21-r3 |
| alpine/libexif(Alpine:v3.21) | < 0.6.21-r3 | 0.6.21-r3 |
| alpine/libexif(Alpine:v3.22) | < 0.6.21-r3 | 0.6.21-r3 |
| alpine/libexif(Alpine:v3.23) | < 0.6.21-r3 | 0.6.21-r3 |
| alpine/libexif(Alpine:v3.24) | < 0.6.21-r3 | 0.6.21-r3 |
| alpine/libexif(Alpine:v3.5) | < 0.6.21-r2 | 0.6.21-r2 |
| alpine/libexif(Alpine:v3.6) | < 0.6.21-r2 | 0.6.21-r2 |
| alpine/libexif(Alpine:v3.7) | < 0.6.21-r2 | 0.6.21-r2 |
| alpine/libexif(Alpine:v3.8) | < 0.6.21-r3 | 0.6.21-r3 |
| alpine/libexif(Alpine:v3.9) | < 0.6.21-r3 | 0.6.21-r3 |
| redhat/libexif | = through 0.6.21 | No fix listed |
References
- Debian Security Tracker CVE-2017-7544 vendor-advisory
- openSUSE-SU-2020:0793 vendor-advisory
- [debian-lts-announce] 20200518 [SECURITY] [DLA 2214-1] libexif security update mailing-list
- sourceforge.net exploit third-party-advisory
- USN-4277-1 vendor-advisory
- security.alpinelinux.org vendor-advisory
- bugs.debian.org issue-tracking