Apple iCloud up to 7.12/10.5 on Windows libxslt type confusion

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.2 | $0-$5k | 0.00 |
Summary
A vulnerability described as critical has been identified in Apple iCloud up to 7.12/10.5 on Windows. This affects an unknown function of the component libxslt. The manipulation results in input validation. This vulnerability is identified as CVE-2019-13118. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is recommended.
Details
A vulnerability was found in Apple iCloud up to 7.12/10.5 on Windows (Cloud Software). It has been classified as critical. Affected is an unknown code block of the component libxslt. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-843. The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
In numbers.c in libxslt 1.1.33, a type holding grouping characters of an xsl:number instruction was too narrow and an invalid character/length combination could be passed to xsltNumberFormatDecimal, leading to a read of uninitialized stack data.
The weakness was released 07/23/2019 as HT210357/HT210358 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is traded as CVE-2019-13118 since 06/30/2019. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The advisory points out:
A stack overflow was addressed with improved input validation.
Upgrading to version 7.13 or 10.6 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.
Entries connected to this vulnerability are available at VDB-137112, VDB-137113, VDB-138544 and VDB-138575. VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.apple.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 5.2
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.3
NVD Vector: 🔍
ADP CISA Base Score: 5.3
ADP CISA Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Type confusionCWE: CWE-843
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
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: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: iCloud 7.13/10.6
Patch: gitlab.gnome.org
Timeline
06/30/2019 🔍07/23/2019 🔍
07/23/2019 🔍
07/24/2019 🔍
05/29/2026 🔍
Sources
Vendor: apple.comAdvisory: HT210357/HT210358
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2019-13118 (🔍)
GCVE (CVE): GCVE-0-2019-13118
GCVE (VulDB): GCVE-100-138696
See also: 🔍
Entry
Created: 07/24/2019 21:54Updated: 05/29/2026 06:53
Changes: 07/24/2019 21:54 (63), 07/11/2020 14:18 (3), 11/07/2023 11:16 (4), 05/29/2026 06:53 (30)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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