Out-of-bounds read in squid (Alpine package)
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2019-12529 |
| CWE-ID | CWE-125 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
squid (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: #VU20460
Risk: Low
CVSSv3.1: 3.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-12529
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 when parsing username in the Proxy-Authorization header during HTTP Basic authentication. A remote attacker can send specially crafted request to the Squid proxy server and retrieve parts of memory contents, if the Squid maintainer had configured the display of usernames on error pages.
MitigationInstall update from vendor's website.
Vulnerable software versionssquid (Alpine package): 3.5.28-r0 - 4.10-r0
External linkshttp://git.alpinelinux.org/aports/commit/?id=a2e4a10786598b2f40879a608a3090b4f1242065
http://git.alpinelinux.org/aports/commit/?id=5939764637ce88b8d0018618969d3a1180a40316
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.
