Heap-based buffer overflow in openldap (Alpine package)
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2011-4079 |
| CWE-ID | CWE-122 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
openldap (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) Heap-based buffer overflow
EUVDB-ID: #VU33332
Risk: Low
CVSSv3.1: 1.3 [CVSS:3.1/AV:N/AC:L/PR:/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2011-4079
CWE-ID:
CWE-122 - Heap-based Buffer Overflow
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in Off-by-one error in the UTF8StringNormalize function in OpenLDAP 2.4.26 and earlier. A remote attacker can use a zero-length string that triggers a heap-based buffer overflow to trigger heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationInstall update from vendor's website.
Vulnerable software versionsopenldap (Alpine package): 2.4.24-r0
External linkshttp://git.alpinelinux.org/aports/commit/?id=4beef45c542d4702324c00daa8516d3299079505
http://git.alpinelinux.org/aports/commit/?id=213618cf142b36dbc0c2d5acf96b68c64aa42cb6
http://git.alpinelinux.org/aports/commit/?id=1c762bb7d22d5bf38f9a64ebce429f6a2b76407f
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
