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CVE-2016-7098

Status Candidate

Overview

Race condition in wget 1.17 and earlier, when used in recursive or mirroring mode to download a single file, might allow remote servers to bypass intended access list restrictions by keeping an HTTP connection open.

Related Files

Ubuntu Security Notice USN-3464-2
Posted Oct 30, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3464-2 - USN-3464-1 fixed several vulnerabilities in Wget. This update provides the corresponding update for Ubuntu 12.04 ESM. A Antti Levomaki, Christian Jalio, and Joonas Pihlaja discovered that Wget incorrectly handled certain HTTP responses. A remote attacker could use this issue to cause Wget to crash, resulting in a denial of A service, or possibly execute arbitrary code. Various other issues were also addressed.

tags | advisory, remote, web, arbitrary, vulnerability
systems | linux, ubuntu
advisories | CVE-2016-7098, CVE-2017-6508
MD5 | 4290569fb5e2a5604a538c5b43a6bb1f
Ubuntu Security Notice USN-3464-1
Posted Oct 26, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3464-1 - Antti Levomaki, Christian Jalio, and Joonas Pihlaja discovered that Wget incorrectly handled certain HTTP responses. A remote attacker could use this issue to cause Wget to crash, resulting in a denial of service, or possibly execute arbitrary code. Dawid Golunski discovered that Wget incorrectly handled recursive or mirroring mode. A remote attacker could possibly use this issue to bypass intended access list restrictions. Various other issues were also addressed.

tags | advisory, remote, web, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2016-7098, CVE-2017-13089, CVE-2017-13090, CVE-2017-6508
MD5 | b3402a151ba7a6e7336cccf6555e8d39
GNU Wget Access List Bypass / Race Condition
Posted Nov 24, 2016
Authored by Dawid Golunski

GNU wget versions 1.17 and earlier, when used in mirroring/recursive mode, are affected by a race condition vulnerability that might allow remote attackers to bypass intended wget access list restrictions specified with the -A parameter. This might allow attackers to place malicious/restricted files onto the system. Depending on the application / download directory, this could potentially lead to other vulnerabilities such as code execution, etc.

tags | exploit, remote, vulnerability, code execution, bypass
advisories | CVE-2016-7098
MD5 | 3a7f82b9aec2e988d5b1a8143090c82b
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