Out-of-bounds read in busybox (Alpine package)
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2019-5747 |
| CWE-ID | CWE-125 |
| Exploitation vector | Network |
| Public exploit | Public exploit code for vulnerability #1 is available. |
| Vulnerable software Subscribe |
busybox (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: #VU16957
Risk: Low
CVSSv3.1: 4.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C]
CVE-ID: CVE-2019-5747
CWE-ID:
CWE-125 - Out-of-bounds read
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in udhcp components (consumed by the DHCP server, client, and/or relay). A remote attacker can leak sensitive information from the stack by sending a crafted DHCP message.
MitigationInstall update from vendor's website.
Vulnerable software versionsbusybox (Alpine package): 1.19.4-r0 - 1.29.3-r9
External linkshttp://git.alpinelinux.org/aports/commit/?id=a7d4d1281579abba54a72fff33a4e45cab70182e
http://git.alpinelinux.org/aports/commit/?id=0c2717afab5d95eeee33ad6e5ed596b99f2cffc2
http://git.alpinelinux.org/aports/commit/?id=397f0cd902eaadce3b74e1e3021e941d9bb6ba72
http://git.alpinelinux.org/aports/commit/?id=cf43a775225bcace5eda5940576e46caac38d471
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.
