CVE-2018-16789
published 2019-03-21CVE-2018-16789: libhttp/url.c in shellinabox through 2.20 has an implementation flaw in the HTTP request parsing logic. By sending a crafted multipart/form-data HTTP request…
PriorityP343high7.5CVSS 3.0
AVNACLPRNUINSUCNINAH
EPSS
5.99%
92.5th percentile
libhttp/url.c in shellinabox through 2.20 has an implementation flaw in the HTTP request parsing logic. By sending a crafted multipart/form-data HTTP request, an attacker could exploit this to force shellinaboxd into an infinite loop, exhausting available CPU resources and taking the service down.
Affected
6 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | shellinabox | < shellinabox 2.21 (bookworm) | shellinabox 2.21 (bookworm) |
| shellinabox_project | shellinabox | <= 2.20 | — |
| shellinabox_project | shellinabox | >= 0 < 2.21 | 2.21 |
| shellinabox_project | shellinabox | >= 0 < 2.21 | 2.21 |
| shellinabox_project | shellinabox | >= 0 < 2.21 | 2.21 |
| shellinabox_project | shellinabox | >= 0 < 2.21 | 2.21 |
CVSS provenance
nvdv3.07.5HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvdv2.07.8HIGHAV:N/AC:L/Au:N/C:N/I:N/A:C
osv7.5HIGH
vendor_debian7.5LOW
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
Debian
CVE-2018-16789: shellinabox - libhttp/url.c in shellinabox through 2.20 has an implementation flaw in the HTTP...
vendor_debian·2018·CVSS 7.5
CVE-2018-16789 [HIGH] CVE-2018-16789: shellinabox - libhttp/url.c in shellinabox through 2.20 has an implementation flaw in the HTTP...
libhttp/url.c in shellinabox through 2.20 has an implementation flaw in the HTTP request parsing logic. By sending a crafted multipart/form-data HTTP request, an attacker could exploit this to force shellinaboxd into an infinite loop, exhausting available CPU resources and taking the service down.
Scope: local
bookworm: resolved (fixed in 2.21)
bullseye: resolved (fixed in 2.21)
forky: resolved (fixed in 2.21)
sid: resolved (fixed in 2.21)
trixie: resolved (fixed in 2.21)
GHSA
GHSA-c93f-9f7g-fv7h: libhttp/url
ghsa_unreviewed·2022-05-13
CVE-2018-16789 [HIGH] CWE-835 GHSA-c93f-9f7g-fv7h: libhttp/url
libhttp/url.c in shellinabox through 2.20 has an implementation flaw in the HTTP request parsing logic. By sending a crafted multipart/form-data HTTP request, an attacker could exploit this to force shellinaboxd into an infinite loop, exhausting available CPU resources and taking the service down.
OSV
CVE-2018-16789: libhttp/url
osv·2019-03-21·CVSS 7.5
CVE-2018-16789 [HIGH] CVE-2018-16789: libhttp/url
libhttp/url.c in shellinabox through 2.20 has an implementation flaw in the HTTP request parsing logic. By sending a crafted multipart/form-data HTTP request, an attacker could exploit this to force shellinaboxd into an infinite loop, exhausting available CPU resources and taking the service down.
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2018-16789 shellinabox: Infinite loop due to malformed request payload [fedora-all]
bugzilla·2018-10-30·CVSS 7.5
CVE-2018-16789 [HIGH] CVE-2018-16789 shellinabox: Infinite loop due to malformed request payload [fedora-all]
CVE-2018-16789 shellinabox: Infinite loop due to malformed request payload [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of fedora-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issue affects multiple supporte
Bugzilla
CVE-2018-16789 shellinabox: Infinite loop due to malformed request payload [epel-all]
bugzilla·2018-10-30·CVSS 7.5
CVE-2018-16789 [HIGH] CVE-2018-16789 shellinabox: Infinite loop due to malformed request payload [epel-all]
CVE-2018-16789 shellinabox: Infinite loop due to malformed request payload [epel-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of epel-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issue affects multiple supported ve
Bugzilla
CVE-2018-16789 shellinabox: Infinite loop due to malformed request payload
bugzilla·2018-10-30·CVSS 7.5
CVE-2018-16789 [HIGH] CVE-2018-16789 shellinabox: Infinite loop due to malformed request payload
CVE-2018-16789 shellinabox: Infinite loop due to malformed request payload
The multipart/form-data parser function in the built-in webserver of Shell In A Box enters an infinite loop in case of malformed request payload.
References:
https://seclists.org/fulldisclosure/2018/Oct/50
Discussion:
Created shellinabox tracking bugs for this issue:
Affects: epel-all [bug 1644264]
Affects: fedora-all [bug 1644263]
---
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.
http://packetstormsecurity.com/files/149978/Shell-In-A-Box-2.2.0-Denial-Of-Service.htmlhttp://seclists.org/fulldisclosure/2018/Oct/50https://code.google.com/archive/p/shellinabox/issueshttps://github.com/shellinabox/shellinabox/commit/4f0ecc31ac6f985e0dd3f5a52cbfc0e9251f6361http://packetstormsecurity.com/files/149978/Shell-In-A-Box-2.2.0-Denial-Of-Service.htmlhttp://seclists.org/fulldisclosure/2018/Oct/50https://code.google.com/archive/p/shellinabox/issueshttps://github.com/shellinabox/shellinabox/commit/4f0ecc31ac6f985e0dd3f5a52cbfc0e9251f6361
2019-03-21
Published