OpenSUSE Linux update for squid

Published: 2018-11-21 | Updated: 2018-11-21
Severity Medium
Patch available YES
Number of vulnerabilities 2
CVE ID CVE-2018-19131
CVE-2018-19132
CWE ID CWE-79
CWE-401
Exploitation vector Network
Public exploit N/A
Vulnerable software Opensuse Subscribe
Vendor Novell

Security Advisory

1) Cross-site scripting

Severity: Low

CVSSv3: 4.1 [CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2018-19131

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Description

The vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data when processing a specially crafted X.509 certificate during HTTP(S) error page generation for certificate errors. A remote attacker can trick the victim to follow a specially specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Update the affected packages.

Vulnerable software versions

Opensuse: 15.0

CPE External links

https://lists.opensuse.org/opensuse-security-announce/2018-11/msg00029.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) Memory leak

Severity: Medium

CVSSv3: 7.5 [CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2018-19132

CWE-ID: CWE-401 - Improper Release of Memory Before Removing Last Reference ('Memory Leak')

Description

The vulnerability allows a remote attacker to perform denial of service (DoS) attack.
The vulnerability exists due to memory leak when processing SNMP requests. A remote attacker can send a specially crafted SNMP request via the proxy server, trigger excessive consumption of memory resources on the system and denial of service conditions.

Mitigation

Update the affected packages.

Vulnerable software versions

Opensuse: 15.0

CPE External links

https://lists.opensuse.org/opensuse-security-announce/2018-11/msg00029.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.