CVE-2018-0494
What it is
GNU Wget before 1.19.5 is prone to a cookie injection vulnerability in the resp_new function in http.c via a \r\n sequence in a continuation line.
At a glance
- Exploitability
- Can be exploited over the network without logging in, but needs a user to act. High risk of data tampering.
- Exploit odds
- 16.5% chance of exploitation in the next 30 days (EPSS). Higher than most.
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 16.5% in the next 30 days (EPSS).
- Severity: 6.5 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 16.5% · EPSS, next 30 days
- Weakness
- CWE-20 · Improper input validation
- Record status
- Modified
Affected
- Gnu Wget < 1.19.5
- Canonical Ubuntu Linux 12.04
- Canonical Ubuntu Linux 14.04
- Canonical Ubuntu Linux 16.04
- Canonical Ubuntu Linux 17.10
- Canonical Ubuntu Linux 18.04
- Debian Linux 7.0
- Debian Linux 8.0
Attack profile CVSS 3.0 · 6.5
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Raw vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2018-0494.md and follow it. Check whether this project is affected by CVE-2018-0494. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://git.savannah.gnu.org/cgit/wget.git/commit/?id=1fc9c95ec144499e69dc8ec76dbe07799d7d82cd
- https://lists.gnu.org/archive/html/bug-wget/2018-05/msg00020.html
- https://git.savannah.gnu.org/cgit/wget.git/commit/?id=1fc9c95ec144499e69dc8ec76dbe07799d7d82cd
- https://lists.gnu.org/archive/html/bug-wget/2018-05/msg00020.html
References
- http://www.securityfocus.com/bid/104129
- http://www.securitytracker.com/id/1040838
- https://access.redhat.com/errata/RHSA-2018:3052
- https://git.savannah.gnu.org/cgit/wget.git/commit/?id=1fc9c95ec144499e69dc8ec76dbe07799d7d82cd
- https://lists.debian.org/debian-lts-announce/2018/05/msg00006.html
- https://lists.gnu.org/archive/html/bug-wget/2018-05/msg00020.html
- https://savannah.gnu.org/bugs/?53763
- https://security.gentoo.org/glsa/201806-01
- https://sintonen.fi/advisories/gnu-wget-cookie-injection.txt
- https://usn.ubuntu.com/3643-1/
- https://usn.ubuntu.com/3643-2/
- https://www.debian.org/security/2018/dsa-4195
- https://www.exploit-db.com/exploits/44601/
- http://www.securityfocus.com/bid/104129
- http://www.securitytracker.com/id/1040838
- https://access.redhat.com/errata/RHSA-2018:3052
- https://git.savannah.gnu.org/cgit/wget.git/commit/?id=1fc9c95ec144499e69dc8ec76dbe07799d7d82cd
- https://lists.debian.org/debian-lts-announce/2018/05/msg00006.html
- https://lists.gnu.org/archive/html/bug-wget/2018-05/msg00020.html
- https://savannah.gnu.org/bugs/?53763
- https://security.gentoo.org/glsa/201806-01
- https://sintonen.fi/advisories/gnu-wget-cookie-injection.txt
- https://usn.ubuntu.com/3643-1/
- https://usn.ubuntu.com/3643-2/
- https://www.debian.org/security/2018/dsa-4195