SB2015061518 - Buffer overflow in hostapd (Alpine package)
Published: June 15, 2015
Security Bulletin ID
SB2015061518
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Buffer overflow (CVE-ID: CVE-2015-4142)
The vulnerability allows a remote non-authenticated attacker to perform service disruption.
Integer underflow in the WMM Action frame parser in hostapd 0.5.5 through 2.4 and wpa_supplicant 0.7.0 through 2.4, when used for AP mode MLME/SME functionality, allows remote attackers to cause a denial of service (crash) via a crafted frame, which triggers an out-of-bounds read.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=3aeb57ec96caa3b0c85bc950e5fd36f43bcd48fe
- https://git.alpinelinux.org/aports/commit/?id=fe93077fc235073200c471a387c27261bfc20eb7
- https://git.alpinelinux.org/aports/commit/?id=8eeb852f99efdce027c392ad0ab29bb684f0ed7d
- https://git.alpinelinux.org/aports/commit/?id=23b5bada7760b28f341d923d4549f36b4d9dc50b
- https://git.alpinelinux.org/aports/commit/?id=24fe5565c27eed276c793d7e34bdad182efee108
- https://git.alpinelinux.org/aports/commit/?id=2b5198b441b22d8c68cd7131be7c5c0bff746a91
- https://git.alpinelinux.org/aports/commit/?id=d8639f35f2edbddd0d541d199154f7c5bd5230ee
- https://git.alpinelinux.org/aports/commit/?id=d68ca09574357db36d33cace25c2b307dc8759d5
- https://git.alpinelinux.org/aports/commit/?id=fd324ccbd51905c0571336037f4b4a09b8480170
- https://git.alpinelinux.org/aports/commit/?id=62ecb530d43d5bdf1a68d3509993e48bddfdb5de
- https://git.alpinelinux.org/aports/commit/?id=a190cd664abf51fb096ce04c5833b64815b5a23a