Out-of-bounds read in libexif (Alpine package)
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2020-0093 |
| CWE-ID | CWE-125 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software Subscribe |
libexif (Alpine package) Operating systems & Components / Operating system package or component |
| Vendor | Alpine Linux Development Team |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Out-of-bounds read
EUVDB-ID: #VU28271
Risk: Low
CVSSv3.1: 4.4 [CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-0093
CWE-ID:
CWE-125 - Out-of-bounds read
Exploit availability: No
DescriptionThe vulnerability allows a local user to gain access to potentially sensitive information.
The vulnerability exists due to a missing bounds check in "exif_data_save_data_entry" of "exif-data.c" file within the Media framework functionality. A local user can trigger out-of-bounds read error and read contents of memory on the system.
MitigationInstall update from vendor's website.
Vulnerable software versionslibexif (Alpine package): 0.6.17-r0 - 0.6.21-r3
External linkshttp://git.alpinelinux.org/aports/commit/?id=5dea23e076ed7123339473f529d74d8a9362e7c6
http://git.alpinelinux.org/aports/commit/?id=726529dabef044127d02831c4b26fa6c6fc9d5f5
http://git.alpinelinux.org/aports/commit/?id=7d1a8137daa5c1f5312ad957dc1857027b8999df
http://git.alpinelinux.org/aports/commit/?id=9959b863135bbaa1251dbddfa038c9256e155702
http://git.alpinelinux.org/aports/commit/?id=cc9c8ab403cd5dfa204be58c326dd98d0702d70c
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
