libxslt 1.1.33 transform.c xsltCopyText Variable use after free
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
8.5 | $0-$5k | 0.00 |
A vulnerability was found in libxslt 1.1.33 and classified as critical. Affected by this issue is the function xsltCopyText
of the file transform.c. The manipulation as part of a Variable leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability. CVE summarizes:
In xsltCopyText in transform.c in libxslt 1.1.33, a pointer variable isn't reset under certain circumstances. If the relevant memory area happened to be freed and reused in a certain way, a bounds check could fail and memory outside a buffer could be written to, or uninitialized data could be disclosed.
The weakness was published 10/18/2019. This vulnerability is handled as CVE-2019-18197 since 10/18/2019. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 01/17/2024).
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Similar entry is available at 153531.
Product
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.5VulDB Meta Temp Score: 8.5
VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.8
NVD Vector: 🔍
CVSSv2
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Use after freeCWE: CWE-416 / CWE-119
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Patch: gitlab.gnome.org
Timeline
10/18/2019 🔍10/18/2019 🔍
10/19/2019 🔍
01/17/2024 🔍
Sources
Advisory: RHSA-2020:0514Status: Not defined
CVE: CVE-2019-18197 (🔍)
See also: 🔍
Entry
Created: 10/19/2019 07:35Updated: 01/17/2024 09:20
Changes: 10/19/2019 07:35 (37), 10/19/2019 07:40 (17), 01/17/2024 09:20 (5)
Complete: 🔍
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