CVE-2017-9671

CVE-2017-9671 , reported for Alpine Linux apk, describes a heap overflow in the tar parsing path (archive.c/apk_parse_tar) triggered by a signed int parameter in blob_realloc. The code reallocates a buffer based on newsize (int) while the buffer length is long, allowing large sizes to wrap to neg...

Alpine Linux: from vulnerability discovery to code execution a-vulnerability warning-the black bar safety net

One, Foreword Recently I was in the Alpine Linux package Manager found two serious vulnerabilities, exploits, numbered CVE-2017-9669 and CVE-2017-9671。 If you are using Alpine, an attacker may use these two holes in your host to execute malicious code. Alpine Linux is a lightweight Linux...

Alpine Linux: From vulnerability discovery to code execution

I’ve recently uncovered two critical vulnerabilities in Alpine Linux’s package manager, assigned CVE-2017-9669 and CVE-2017-9671. These vulnerabilities could potentially lead to an attacker executing malicious code on your machines, if you are using Alpine knowingly or implicitly. Alpine Linux is...