CVE-2018-6197
published 2018-01-25CVE-2018-6197: w3m through 0.5.3 is prone to a NULL pointer dereference flaw in formUpdateBuffer in form.c.
PriorityP335high7.5CVSS 3.0
AVNACLPRNUINSUCNINAH
EPSS
4.47%
90.3th percentile
w3m through 0.5.3 is prone to a NULL pointer dereference flaw in formUpdateBuffer in form.c.
Affected
12 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| debian | w3m | < w3m 0.5.3-36 (bookworm) | w3m 0.5.3-36 (bookworm) |
| tats | w3m | <= 0.5.3 | — |
| tats | w3m | >= 0 < 0.5.3-36 | 0.5.3-36 |
| tats | w3m | >= 0 < 0.5.3-36 | 0.5.3-36 |
| tats | w3m | >= 0 < 0.5.3-36 | 0.5.3-36 |
| tats | w3m | >= 0 < 0.5.3-36 | 0.5.3-36 |
| tats | w3m | >= 0 < 0.5.3-15ubuntu0.2 | 0.5.3-15ubuntu0.2 |
| tats | w3m | >= 0 < 0.5.3-26ubuntu0.2 | 0.5.3-26ubuntu0.2 |
CVSS provenance
nvdv3.07.5HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
osv7.5HIGH
vendor_debian7.5LOW
vendor_redhat7.5HIGH
vendor_ubuntu7.5HIGH
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Ubuntu
w3m vulnerabilities
vendor_ubuntu·2018-02-01·CVSS 7.5
CVE-2018-6196 [HIGH] w3m vulnerabilities
Title: w3m vulnerabilities
Summary: Several security issues were fixed in w3m.
USN-3555-2 fixed vulnerabilities in w3m. This update
provides the corresponding update for Ubuntu 12.04 ESM.
Original advisory details:
It was discovered that w3m incorrectly handled certain inputs.
An attacker could possibly use this to cause a denial of service.
(CVE-2018-6196, CVE-2018-6197)
It was discovered that w3m incorrectly handled temporary files.
An attacker could possibly use this to overwrite arbitrary files.
(CVE-2018-6198)
Instructions: In general, a standard system update will make all the necessary changes.
Ubuntu
w3m vulnerabilities
vendor_ubuntu·2018-02-01·CVSS 7.5
CVE-2018-6196 [HIGH] w3m vulnerabilities
Title: w3m vulnerabilities
Summary: Several security issues were fixed in w3m.
It was discovered that w3m incorrectly handled certain inputs.
An attacker could possibly use this to cause a denial of service.
(CVE-2018-6196, CVE-2018-6197)
It was discovered that w3m incorrectly handled temporary files.
An attacker could possibly use this to overwrite arbitrary files.
(CVE-2018-6198)
Instructions: In general, a standard system update will make all the necessary changes.
Red Hat
w3m: Null pointer dereference in formUpdateBuffer in form.c
vendor_redhat·2018-01-26·CVSS 7.5
CVE-2018-6197 [HIGH] CWE-119 w3m: Null pointer dereference in formUpdateBuffer in form.c
w3m: Null pointer dereference in formUpdateBuffer in form.c
w3m through 0.5.3 is prone to a NULL pointer dereference flaw in formUpdateBuffer in form.c.
Package: w3m (Red Hat Enterprise Linux 5) - Will not fix
Package: w3m (Red Hat Enterprise Linux 6) - Will not fix
Package: w3m (Red Hat Enterprise Linux 8) - Not affected
Debian
CVE-2018-6197: w3m - w3m through 0.5.3 is prone to a NULL pointer dereference flaw in formUpdateBuffe...
vendor_debian·2018·CVSS 7.5
CVE-2018-6197 [HIGH] CVE-2018-6197: w3m - w3m through 0.5.3 is prone to a NULL pointer dereference flaw in formUpdateBuffe...
w3m through 0.5.3 is prone to a NULL pointer dereference flaw in formUpdateBuffer in form.c.
Scope: local
bookworm: resolved (fixed in 0.5.3-36)
bullseye: resolved (fixed in 0.5.3-36)
forky: resolved (fixed in 0.5.3-36)
sid: resolved (fixed in 0.5.3-36)
trixie: resolved (fixed in 0.5.3-36)
GHSA
GHSA-w7fh-6798-hqc2: w3m through 0
ghsa_unreviewed·2022-05-14
CVE-2018-6197 [HIGH] CWE-476 GHSA-w7fh-6798-hqc2: w3m through 0
w3m through 0.5.3 is prone to a NULL pointer dereference flaw in formUpdateBuffer in form.c.
OSV
w3m vulnerabilities
osv·2018-02-01·CVSS 7.5
CVE-2018-6196 [HIGH] w3m vulnerabilities
w3m vulnerabilities
It was discovered that w3m incorrectly handled certain inputs.
An attacker could possibly use this to cause a denial of service.
(CVE-2018-6196, CVE-2018-6197)
It was discovered that w3m incorrectly handled temporary files.
An attacker could possibly use this to overwrite arbitrary files.
(CVE-2018-6198)
OSV
CVE-2018-6197: w3m through 0
osv·2018-01-25·CVSS 7.5
CVE-2018-6197 [HIGH] CVE-2018-6197: w3m through 0
w3m through 0.5.3 is prone to a NULL pointer dereference flaw in formUpdateBuffer in form.c.
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2018-6197 w3m: Null pointer dereference in formUpdateBuffer in form.c [fedora-all]
bugzilla·2018-01-26·CVSS 7.5
CVE-2018-6197 [HIGH] CVE-2018-6197 w3m: Null pointer dereference in formUpdateBuffer in form.c [fedora-all]
CVE-2018-6197 w3m: Null pointer dereference in formUpdateBuffer in form.c [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 supported
Bugzilla
CVE-2018-6197 w3m: Null pointer dereference in formUpdateBuffer in form.c
bugzilla·2018-01-26·CVSS 7.5
CVE-2018-6197 [HIGH] CVE-2018-6197 w3m: Null pointer dereference in formUpdateBuffer in form.c
CVE-2018-6197 w3m: Null pointer dereference in formUpdateBuffer in form.c
w3m through 0.5.3 is prone to a NULL pointer dereference flaw in formUpdateBuffer in form.c.
Upstream bug:
https://github.com/tats/w3m/issues/89
Upstream patch:
https://github.com/tats/w3m/commit/7fdc83b0364005a0b5ed869230dd81752ba022e8
Discussion:
Created w3m tracking bugs for this issue:
Affects: epel-7 [bug 1539153]
Affects: fedora-all [bug 1539154]
---
Fixed for all the requested releases.
Bugzilla
CVE-2018-6197 w3m: Null pointer dereference in formUpdateBuffer in form.c [epel-7]
bugzilla·2018-01-26·CVSS 7.5
CVE-2018-6197 [HIGH] CVE-2018-6197 w3m: Null pointer dereference in formUpdateBuffer in form.c [epel-7]
CVE-2018-6197 w3m: Null pointer dereference in formUpdateBuffer in form.c [epel-7]
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-7.
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.
Discussion:
Use the following template to for the
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00028.htmlhttp://www.securityfocus.com/bid/102846https://github.com/tats/w3m/commit/7fdc83b0364005a0b5ed869230dd81752ba022e8https://github.com/tats/w3m/issues/89https://lists.debian.org/debian-lts-announce/2020/04/msg00025.htmlhttps://usn.ubuntu.com/3555-1/https://usn.ubuntu.com/3555-2/http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00028.htmlhttp://www.securityfocus.com/bid/102846https://github.com/tats/w3m/commit/7fdc83b0364005a0b5ed869230dd81752ba022e8https://github.com/tats/w3m/issues/89https://lists.debian.org/debian-lts-announce/2020/04/msg00025.htmlhttps://usn.ubuntu.com/3555-1/https://usn.ubuntu.com/3555-2/
2018-01-25
Published