SB2019081455 - Out-of-bounds write in apache2 (Alpine package)
Published: August 14, 2019
Security Bulletin ID
SB2019081455
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) Out-of-bounds write (CVE-ID: CVE-2019-10081)
The vulnerability allows a remote attacker to perform denial of service attack.
The vulnerability exists due to a boundary error when processing HTTP/2 requests within the mod_http2 module, configured with "H2PushResource". A remote attacker can send specially crafted HTTP/2 requests to the affected server and perform denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=97cc1daad59156e767936e4ea1762d331195f7eb
- https://git.alpinelinux.org/aports/commit/?id=f9dbe36405c236b51c640ef3a59f0f14baeee18d
- https://git.alpinelinux.org/aports/commit/?id=2352aedda7b946046e3bb408f94d6053f6468d74
- https://git.alpinelinux.org/aports/commit/?id=20dd33ed391e86126662bbb87b9b3d904e12d0b1
- https://git.alpinelinux.org/aports/commit/?id=720693cedfbcd03efff48adf05e47e4f4d1528f0
- https://git.alpinelinux.org/aports/commit/?id=c362e6f4f23eab577c0f6f522ec442a889ba2713
- https://git.alpinelinux.org/aports/commit/?id=f69ef91711a9edd270c57081b8cd8230ad8fed24