Detections
Analytics
CentOS 7 : libwebp (RHSA-2023:2077)
high Nessus Plugin ID 178971
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Synopsis
The remote CentOS Linux host is missing a security update.Description
The remote CentOS Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2023:2077 advisory.- There exists a use after free/double free in libwebp. An attacker can use the ApplyFiltersAndEncode() function and loop through to free best.bw and assign best = trial pointer. The second loop will then return 0 because of an Out of memory error in VP8 encoder, the pointer is still assigned to trial and the AddressSanitizer will attempt a double free. (CVE-2023-1999)
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.
Solution
Update the affected packages.See Also
Plugin Details
Severity: High
ID: 178971
File Name: centos_RHSA-2023-2077.nasl
Version: 1.3
Type: local
Agent: unix
Family: CentOS Local Security Checks
Published: 7/28/2023
Updated: 12/22/2023
Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Agentless Assessment, Continuous Assessment, Nessus
Risk Information
VPR
Risk Factor: Low
Score: 3.6
Vendor
Vendor Severity: Important
CVSS v2
Risk Factor: High
Base Score: 7.8
Temporal Score: 5.8
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C
CVSS Score Source: CVE-2023-1999
CVSS v3
Risk Factor: High
Base Score: 7.5
Temporal Score: 6.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: p-cpe:/a:centos:centos:libwebp, cpe:/o:centos:centos:7, p-cpe:/a:centos:centos:libwebp-java, p-cpe:/a:centos:centos:libwebp-devel, p-cpe:/a:centos:centos:libwebp-tools
Required KB Items: Host/local_checks_enabled, Host/cpu, Host/CentOS/release, Host/CentOS/rpm-list
Exploit Ease: No known exploits are available
Patch Publication Date: 7/27/2023
Vulnerability Publication Date: 4/11/2023
Reference Information
CVE: CVE-2023-1999