Amazon Linux AMI update for libXpm



Risk Low
Patch available YES
Number of vulnerabilities 3
CVE-ID CVE-2023-43786
CVE-2023-43787
CVE-2023-43789
CWE-ID CWE-835
CWE-190
CWE-125
Exploitation vector Local
Public exploit N/A
Vulnerable software
 Amazon Linux AMI
Operating systems & Components / Operating system

libXpm
Operating systems & Components / Operating system package or component

Vendor Amazon Web Services

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) Infinite loop

EUVDB-ID: #VU81433

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-43786

CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to infinite loop within the PutSubImage() function. A local user can consume all available system resources and cause denial of service conditions.

Mitigation

Update the affected packages:

i686:
    libXpm-debuginfo-3.5.10-2.12.amzn1.i686
    libXpm-devel-3.5.10-2.12.amzn1.i686
    libXpm-3.5.10-2.12.amzn1.i686

src:
    libXpm-3.5.10-2.12.amzn1.src

x86_64:
    libXpm-debuginfo-3.5.10-2.12.amzn1.x86_64
    libXpm-3.5.10-2.12.amzn1.x86_64
    libXpm-devel-3.5.10-2.12.amzn1.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

libXpm: before 3.5.10-2.12

CPE2.3 External links

https://alas.aws.amazon.com/ALAS-2023-1875.html


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Integer overflow

EUVDB-ID: #VU81434

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-43787

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to integer overflow within the XCreateImage() function. A local user can trigger integer overflow and execute arbitrary code with elevated privileges.


Mitigation

Update the affected packages:

i686:
    libXpm-debuginfo-3.5.10-2.12.amzn1.i686
    libXpm-devel-3.5.10-2.12.amzn1.i686
    libXpm-3.5.10-2.12.amzn1.i686

src:
    libXpm-3.5.10-2.12.amzn1.src

x86_64:
    libXpm-debuginfo-3.5.10-2.12.amzn1.x86_64
    libXpm-3.5.10-2.12.amzn1.x86_64
    libXpm-devel-3.5.10-2.12.amzn1.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

libXpm: before 3.5.10-2.12

CPE2.3 External links

https://alas.aws.amazon.com/ALAS-2023-1875.html


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Out-of-bounds read

EUVDB-ID: #VU81436

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-43789

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition. A local user can trigger an out-of-bounds read error and read contents of memory on the system.

Mitigation

Update the affected packages:

i686:
    libXpm-debuginfo-3.5.10-2.12.amzn1.i686
    libXpm-devel-3.5.10-2.12.amzn1.i686
    libXpm-3.5.10-2.12.amzn1.i686

src:
    libXpm-3.5.10-2.12.amzn1.src

x86_64:
    libXpm-debuginfo-3.5.10-2.12.amzn1.x86_64
    libXpm-3.5.10-2.12.amzn1.x86_64
    libXpm-devel-3.5.10-2.12.amzn1.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

libXpm: before 3.5.10-2.12

CPE2.3 External links

https://alas.aws.amazon.com/ALAS-2023-1875.html


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



###SIDEBAR###