Amazon Linux AMI update for libwebp
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2020-36330 CVE-2020-36331 |
| CWE-ID | CWE-125 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software |
Amazon Linux AMI Operating systems & Components / Operating system libwebp Operating systems & Components / Operating system package or component |
| Vendor | Amazon Web Services |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Out-of-bounds read
EUVDB-ID: #VU53849
Risk: Low
CVSSv4.0: 0.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2020-36330
CWE-ID:
CWE-125 - Out-of-bounds read
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in the ChunkVerifyAndAssign() function in libwebp. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.
MitigationUpdate the affected packages:
i686:Vulnerable software versions
libwebp-devel-0.3.0-10.8.amzn1.i686
libwebp-0.3.0-10.8.amzn1.i686
libwebp-java-0.3.0-10.8.amzn1.i686
libwebp-tools-0.3.0-10.8.amzn1.i686
libwebp-debuginfo-0.3.0-10.8.amzn1.i686
src:
libwebp-0.3.0-10.8.amzn1.src
x86_64:
libwebp-devel-0.3.0-10.8.amzn1.x86_64
libwebp-0.3.0-10.8.amzn1.x86_64
libwebp-java-0.3.0-10.8.amzn1.x86_64
libwebp-tools-0.3.0-10.8.amzn1.x86_64
libwebp-debuginfo-0.3.0-10.8.amzn1.x86_64
Amazon Linux AMI: All versions
libwebp: before 0.3.0-10.8
CPE2.3- cpe:2.3:o:amazon_web_services:amazon_linux_ami:*:*:*:*:*:*:*:*
- cpe:2.3:o:amazon_web_services:libwebp:*:*:*:*:*:amazon_linux_ami:*:*
https://alas.aws.amazon.com/ALAS-2023-1740.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Out-of-bounds read
EUVDB-ID: #VU53850
Risk: Low
CVSSv4.0: 0.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2020-36331
CWE-ID:
CWE-125 - Out-of-bounds read
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in the ChunkAssignData() function in libwebp. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.
MitigationUpdate the affected packages:
i686:Vulnerable software versions
libwebp-devel-0.3.0-10.8.amzn1.i686
libwebp-0.3.0-10.8.amzn1.i686
libwebp-java-0.3.0-10.8.amzn1.i686
libwebp-tools-0.3.0-10.8.amzn1.i686
libwebp-debuginfo-0.3.0-10.8.amzn1.i686
src:
libwebp-0.3.0-10.8.amzn1.src
x86_64:
libwebp-devel-0.3.0-10.8.amzn1.x86_64
libwebp-0.3.0-10.8.amzn1.x86_64
libwebp-java-0.3.0-10.8.amzn1.x86_64
libwebp-tools-0.3.0-10.8.amzn1.x86_64
libwebp-debuginfo-0.3.0-10.8.amzn1.x86_64
Amazon Linux AMI: All versions
libwebp: before 0.3.0-10.8
CPE2.3- cpe:2.3:o:amazon_web_services:amazon_linux_ami:*:*:*:*:*:*:*:*
- cpe:2.3:o:amazon_web_services:libwebp:*:*:*:*:*:amazon_linux_ami:*:*
https://alas.aws.amazon.com/ALAS-2023-1740.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
